| "All embarqued in one bottom" : an introduction to sources for soldiers, administrators and civilians in civil war Britain and Ireland | Bennett, Martyn | Article in Journal | | 1996 |
| "An indiscriminate blackness"? Massacre, counter-massacre, and ethnic cleansing in Ireland, 1640-1660 | Clifton, R. | Article in Journal | | 1999 |
| "Blaze away and stand to it boys" : Captain Jack Donovan and the Irish Brigade at Fredericksburg | O'Brien, Kevin | Article in Journal | | 1996 |
| "Blood and friendship" : the Earl of Essex's protection of the Earl of Clanricarde's interests, 1641-6 | Little, Patrick, 1969- | Article in Journal | | 1997 |
| "God help the Irish!" : the history of the Irish Brigade | Tucker, Phillip Thomas, 1953- | Monograph or Collective Volume | McWhiney Foundation Press : Distributed by Texas A&M University Press Consortium | 2007 |
| "I have been trying very hard to be powerful 'nice'..." : the correspondence of Sister M. de Sales (Brennan) during the American Civil War | Quinn, E. Moore | Article in Journal | | 2010 |
| "It was open, defiant rebellion" | Ward, Leo | Article in Journal | | 1991 |
| "Oh, God, what a pity!" : the Irish brigade at Fredericksburg and the creation of a myth | Warren, Craig A. | Article in Journal | | 2001 |
| "Political" poems in the mid-seventeenth-century crisis | O Riordan, Michelle | Article in Book | Cambridge University Press | 1995 |
| "Remember Your Country and Keep Up Its Credit" : Irish Volunteers and the Union Army, 1861-1865 | Bruce, Susannah Ural | Article in Journal | | 2005 |
| "The fighting 69th" : still going strong at 150 | Powers, Kenneth H. | Article in Journal | | 2002 |
| "The ideal of a soldier and a gentleman" | Bennett, Brian | Article in Journal | | 1991 |
| "Their faith brings them" | Maryniak, Ben | Article in Journal | | 1991 |
| "Three cheers for the Union" : Catholic chaplains and Irish loyalty during the American Civil War | Endres, David J. | Article in Journal | | 2021 |
| "To live and die [for] Dixie" : Irish civilians and the confederate states of America | Gleeson, David T. | Article in Journal | | 2010 |
| "Virginia's fighting Irish" | Ruffner, Kevin C. | Article in Journal | | 1991 |
| 'Colonel Zanchy' and Charles Fleetwood | Shirren, A. J. | Article in Journal | | 1953 |
| 'My Enemy's Enemy...' - the 1861 "Trent" affair in "The Nation" | Tyner, Charles | Article in Journal | | 2025 |
| 'Return of the 69th (Irish) regiment, N.Y.S.M. from the seat of war'(1862), by Louis Lang | Anonymous | Article in Journal | | 2011 |
| 'The angel of Andersonville' : Father Peter Whelan (1802-70) | Gleeson, David T. | Article in Book | | 2015 |
| 'The Dunkirk of Ireland', Wexford privateers during the 1640's | Ohlmeyer, Jane H. | Article in Journal | | 1988 |
| 'Title deed to America' : Union ethnic regiments in the civil war | Burton, William | Article in Journal | | 1980 |
| 'Where the murderin' cannons roar ...': the American civil war | Flynn, Kevin Haddick | Article in Journal | | 2012 |
| 'With courage and undaunted obstinacy' : Meagher in Montana, 1865-1867 | Axline, Jon | Article in Book | | 2006 |
| A civil war profile : Col. James A. Mulligan of "The Irish Brigade" | Kreisman, Daniel Z. | Article in Journal | | 1999 |
| A comparative study of the American Civil War sympathies of the Irish of Dublin, Belfast, New York and Boston | Burke, Paul Thomas | Thesis | | 2000 |
| A contemporary history of affairs in Ireland from A.D. 1641 to 1652. 3 vols. | | Monograph or Collective Volume | | 1879 |
| A contribution towards a bibliography of books and articles about Irish involvement in the American Civil War | Walsh, Paul V. | Article in Journal | | 2002 |
| A discourse between two councillors of state, the one of England and the other of Ireland (1642) | | Article in Journal | | 1970 |
| A Dublin consul under siege: American reactions to the Habeas Corpus Suspension crisis of 1866-1868 | Kennerk, Barry | Article in Journal | | 2010 |
| A failed revolution? the Irish Confederate war in its european context | Ohlmeyer, Jane H. | Article in Journal | | 1995 |
| A famous Clones general | McCabe, D. | Article in Journal | | 1994 |
| A historical dictionary of the British and Irish civil wars 1637-1660 | Bennett, Martyn | Monograph or Collective Volume | Fitzroy Dearborn | 2000 |
| A historical dictionary of the British and Irish civil wars, 1637-1660 | Bennett, Martyn | Monograph or Collective Volume | Rowman & Littlefield | 2016 |
| A nation of change and novelty : Radical politics, religion and literature in seventeenth-century England | Hill, Christopher, 1912-2003 | Monograph or Collective Volume | NA | 1990 |
| A noble tradition : The Davis guards in the American Civil War 1861-65 | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2001 |
| A noble tradition : the Irish Brigade in the American Civil War 1861-65 | Travers, DesmondÓ hAnluain, P. É. | Article in Journal | | 2001 |
| A Sligo genius in Boston | Ternan, John C. | Article in Journal | | 2016 |
| A soldier's story of the American civil war | Guerin, Thomas | Article in Journal | | 1953 |
| A touch of green among the blue : a look at the Irish in the army of the Potomac | McCormack, Jack | Article in Journal | | 1990 |
| A transplanter’s decree of final settlement by the Loughrea Comissioners in Cromwell’s time | Blake, Martin J. | Article in Journal | | 1903 |
| A ‘sentinel(s) of our liberties’ : Archbishop John Hughes and
Irish-American intellectual negotiation in the Civil War era | Kelly, Mary C. | Article in Journal | | 2010 |
| A ‘sentinel(s) of our liberties’ : archbishop John Hughes and Irish-American intellectual negotiation in the Civil War era | Kelly, Mary C. | Article in Journal | | 2010 |
| Abraham Lincoln and the American Irish | Kenny, Kevin | Article in Journal | | 2013 |
| Acta Sacrae Congregationis de Propaganda Fide, 1622-50 | | Article in Journal | | 1959 |
| After Slavery : Forced Drafts of Irish and Chinese Labor in the American Civil War, or the Search for Liquid Labor | Nelson, Scott Reynolds | Article in Book | | 2007 |
| Alasdair MacDonnell | Kennedy, David | Article in Journal | | 1947 |
| All the king's men : the impact of the crown's Irish soldiers on the English civil war | Malcolm, Joyce Lee | Article in Journal | | 1979 |
| Ambiguous loyalties : the Boston Irish, slavery and the civil war | Kelly, Brian | Article in Journal | | 1996 |
| American civil war 1861-1865 | Kane, Sean | Article in Journal | | 1999 |
| American Civil War chaplain | O'Hara, Aidan | Article in Journal | | 2006 |
| American soldiers in Ireland, 1865-67 | Kane, Michael H. | Article in Journal | | 2002 |
| An apprenticeship in arms : the origins of the British Army 1585-1702 | Manning, Roger Burrow | Monograph or Collective Volume | Oxford University Press | 2006 |
| An army sent from God : Scots at war in Ireland, 1642-1649 | Gillespie, Raymond | Article in Book | | 1991 |
| An Echo of an Anonymous Royalist Broadside Poem of 1643 in Marvell's "An Horatian Ode upon Cromwell's Return from Ireland" | McWilliams, John | Article in Journal | | 2005 |
| An eyewitness account of the New York draft riots, July, 1863 | | Article in Journal | | 1960 |
| An introduction | Cornish, Rory T.Hearne, John M. | Article in Book | | 2006 |
| An Irish army in America | Ruddy, Michael | Article in Journal | | 2003 |
| An Irish cavalier : Daniel O'Neill | Cregan, Donal F. | Article in Journal | | 1965 |
| An Irish friend and the American civil war : some letters of Frederic W. Pim to his father in Dublin, 1864 | Willauer, G. J. | Article in Journal | | 1972 |
| An Irish Friend and the Civil War | Large, David | Article in Journal | | 1958 |
| An Irish republican abroad : Thomas Francis Meagher in the United States, 1852-65 | Cornish, Rory T. | Article in Book | | 2006 |
| An Irish trilogy. The wars of the seventeenth century and the colonisation of Ulster | McCavitt, John | Article in Book | | 1994 |
| An Irishman in the Iron Brigade : the Civil War memories of James P. Sullivan, Sergt., Company K, 6th Wisconsin Volunteers | Beaudot, William J. K.Herdegen, Lance J. | Monograph or Collective Volume | Fordham University Press | 1993 |
| An unequal duel : Union recruiting in Ireland, 1863-1864 | Cullop, Charles P. | Article in Journal | | 1967 |
| Another 'lost cause' : the Irish in the South remember the Confederacy | Gleeson, David T. | Article in Book | | 2013 |
| Another look at the battle of Benburb, 5 June 1646 | McDonnell, J. J. | Article in Journal | | 1979 |
| Another triumph of failure? How and why Canadians celebrate the 150th anniversary of the raid on Ridgeway | Panneton, Daniel B. | Article in Journal | | 2016 |
| Appearance and reality : an example in 17th century Irish history, 2 : civil war in Ireland | Love, Walter | Article in Journal | | 1966 |
| Appointments to the Restoration Irish bench | Dennehy, Coleman A. | Article in Book | Four Courts Press | 2020 |
| Assessing the religious, political and personal motivations of Owen Roe O'Neill in returning to and campaigning in Ireland, 1642-49 | McClory, Philip | Article in Journal | | 2012 |
| Atrocity, Codes of Conduct and the Irish in the British Civil Wars 1641-1653 | Ó Siochrú, Micheál | Article in Journal | | 2007 |
| Aufbruch zur Weltmacht : zur aussenpolitischen Dimension der englischen Revolution im 17. Jahrhundert | Rehberg, R. | Article in Journal | | 1992 |
| Belfast and the American Civil War | Carroll, Francis M. | Article in Journal | | 2011 |
| Ben Butler, Union general and Massachussets lawyer, on the impeachment of a president | Nolan, Dick | Article in Journal | | 1978 |
| Between war and peace, 1651-1662 | Morrill, John Stephen, 1946- | Article in Book | | 1998 |
| Bishop Nicholas French and the Second Ormond Peace, 1648-9 | Corish, Patrick J. | Article in Journal | | 1948 |
| Blue gray and green : the Fighting Irish | McCormack, Jack | Article in Journal | | 1991 |
| Boetius McEgan bishop and martyr | Ó Riain, Pádraig | Article in Journal | | 1986 |
| Bonaventure Baron, O.F.M., 'Hibernus Clonmeliensis' | Millett, Benignus | Article in Book | | 1950 |
| Born in Ireland, killed at Gettysburg : the life, death, and legacy of Patrick Henry O'Rorke | Fisher, Donald | Article in Journal | | 1993 |
| Bram Stoker's lecture on Abraham Lincoln (part 2) | Havlik, Robert J.Stoker, Abraham, 'Bram', 1847-1912 | Article in Journal | | 2004 |
| Brevet generals of Irish birth in the US civil war | Marmion, William F. K. | Article in Journal | | 1997 |
| Britain in revolution, 1625-1660 | Woolrych, Austin Herbert, 1918-2004 | Monograph or Collective Volume | Oxford University Press | 2002 |
| Buckinghamshire contributions for Ireland 1642; and Richard Grenville's military accounts 1642-1645 | Grenville, RichardWilson, John | Monograph or Collective Volume | Buckinghamshire Record Society | 1983 |
| Bull Run Russell | Spears, Royston | Article in Journal | | 2020 |
| Cahir marine in American Civil War | Shaughnessy, Edward J. | Article in Journal | | 2000 |
| Calendar of State Papers, domestic series. Charles I | Anonymous | Monograph or Collective Volume | | 1858 |
| Called to a mission of charity : the sisters of St. Joseph in the civil war | Wall, B. M. | Article in Journal | | 1998 |
| Camp California: where Meagher's men steeled themselves for war | Brannigan, Niall R. | Article in Journal | | 2012 |
| Captain George Whitfield Pepper (1833-1899), Chaplain, 80th Ohio Volunteers: friend of meagher, interviewer of Lee | Ferguson, Kenneth | Article in Journal | | 2012 |
| Cath Cnoc na nOIs sa bhéaloideas | Tóibín, Feena | Article in Journal | | 2023 |
| Catholic participation in the diplomacy of the Southern Confederacy | Stock, Leo Francis | Article in Journal | | 1930 |
| Catholicism and the Irish confederate armies : for God or king? | Lenihan, Pádraig, 1959- | Article in Journal | | 1994 |
| Celts, Catholics and copperheads : Ireland views the American Civil War | Hernon, Joseph M. | Monograph or Collective Volume | Ohio State University Press | 1968 |
| Chaplain extraordinary | Chadwick, Austin | Article in Journal | | 1971 |
| Charles I : a political life | Cust, Richard P. | Monograph or Collective Volume | Longman | 2005 |
| Charles I and the confederation of Kilkenny, 1643-9 | Lowe, John | Article in Journal | | 1964 |
| Charles II's Irish cavaliers : the 1649 officers and the Restoration land settlement | McKenny, Kevin | Article in Journal | | 1993 |
| Charles the Second : King of England, Scotland and Ireland | Hutton, Ronald | Monograph or Collective Volume | | 1989 |
| Charleston's Irish labourers and their move into the Confederacy | Joyce, Dee Dee | Article in Journal | | 2010 |
| Charleston's Irish labourers and their move into the confederacy | Joyce, Dee Dee | Article in Journal | | 2010 |
| Chicago's Fenian fair of 1864 : a window into the civil war as a popular political awakening | Jentz, John B.Schneirov, Richard | Article in Journal | | 1995 |
| Chief of the civil war skull crackers | Beaudot, William J. K. | Article in Journal | | 1988 |
| Cín lae Ó Mealláin | | Article in Journal | | 1931 |
| Civil war : the wars of the three kingdoms, 1638-1660 | Royle, Trevor | Monograph or Collective Volume | Little, Brown | 2004 |
| Civil Wars and Interregnum | Morrill, John | Article in Book | Oxford University Press | 2023 |
| Class and Catholic Irish Masculinity in Antebellum America : Young Men on the Make in Chicago | Kelleher, Patricia | Article in Journal | | 2009 |
| Clear the Confederate way! The Irish in the army of Northern Virginia | O'Grady, Kelly J. | Monograph or Collective Volume | Savas | 2000 |
| Clement Smyth (1810-1865) : a founder of New Melleray and Civil War bishop | Heffern, Colman | Article in Journal | | 1970 |
| Col. John Fitzpatrick and the Streamstown, Co. Westmeath, peace of 1652 | Cox, Liam, 1908-2003 | Article in Journal | | 1975 |
| Colonel Dennis O'Kane, American Civil War 1861-65 | Higgins, M.A. | Article in Journal | | 2005 |
| Colonel Edward Wogan | Murtagh, Diarmuid | Article in Journal | | 1954 |
| Colonel Patrick O'Rorke : fallen hero of Gettysburg | Hogan, Neil | Article in Journal | | 2002 |
| Colonel Richard Grace, 1651-2 | Bryan, Dan | Article in Journal | | 1959 |
| Colonel S.R. Tresilian of Bandon. An accomplished engineer and passionate Irish republican | FitzMaurice, CatherineSatter, Geoffrey | Article in Journal | | 2019 |
| Commanding Boston's Irish Ninth : the Civil War letters of Colonel Patrick R. Guiney, Ninth Massachusetts Volunteer Infantry | Guiney, Patrick RobertSamito, Christian G. | Monograph or Collective Volume | Fordham University Press | 1998 |
| Commentarius Rinuccinianus de Sedis apostolicae legatione ad Foederatos Hiberniae Catholicos per annos 1645-49. Florentiae opus susceperunt atque absolverunt per annos 1661-1666 fr. pater Richardus (Barnabas O'Ferrall) Longfordensis, fr. pater Robertus (Daniel O'Connell) Desmondensis uterque e provincia Hibernica Ordinis min. Capuccinorum, nunc primum e fontibus totum edendum curat Fr. Pater Stanislaus (Joannes Kavanagh) eiusdem ordinis et provinciae | O'Connell, RobertO'Ferrall, Richard, d.1663 | Monograph or Collective Volume | Irish Manuscripts Commission | 1932; 1936; 1939; 1941; 1944; 1949 |
| Complications of Interest : Milton, Scotland, Ireland, and National Identity in 1649 | Raymond, Joad | Article in Journal | | 2004 |
| Concerning the emancipation of the slaves : a proposal by Major-General Patrick Cleburne, CSA | Hull, Mark M. | Article in Journal | | 1996 |
| Confederate Catholics and covenanters, 1644-6 | Lenihan, Pádraig, 1959- | Article in Book | | 2009 |
| Confederate secret agent in Ireland : Father John B. Bannon and his Irish mission, 1863-1864 | Tucker, Philip C. | Article in Journal | | 1990 |
| Connecting Loughrea, the US civil war and the Fenians, 1861-69 | Manzor, Paul | Article in Book | | 2003 |
| Contemporary accounts of the battle of Rathmines 1649 | Ferguson, Kenneth | Article in Journal | | 1999 |
| Cork and the American Civil War : the Queenstown affair of 1863 | Kline, BenjaminMartin, Gerald Warren | Article in Journal | | 1984 |
| Cromwell | Howell, Roger | Monograph or Collective Volume | | 1977 |
| Cromwell | Cottret, Bernard | Monograph or Collective Volume | Fayard | 1992 |
| Cromwell | Lapie, P.-O. | Monograph or Collective Volume | | 1949 |
| Cromwell : our chief of enemies | McElligott, Jason, 1972- | Monograph or Collective Volume | Dundalgan Press | 1994 |
| Cromwell : portrait of a soldier | Gillingham, J. B. | Monograph or Collective Volume | | 1976 |
| Cromwell and Crumlin | O'Connor, Patrick | Article in Journal | | 1950 |
| Cromwell and Ireland before 1649 | Little, Patrick, 1969- | Article in Book | | 2009 |
| Cromwell and Ireland: New Perspectives | | Monograph or Collective Volume | Liverpool University Press | 2021 |
| Cromwell and Ireland: new perspectives; edited by Martyn Bennett, Ray Gillespie, R. Scott Spurlock, | Ó Siochrú, Micheál | Article in Journal | | 2021 |
| Cromwell at Drogheda. Some new light on old faces | Matthews, Brendan | Article in Journal | | 2012 |
| Cromwell in Callan | Kennedy, Joseph | Article in Journal | | 1984 |
| Cromwell was framed : Ireland 1649 | Reilly, Tom | Monograph or Collective Volume | Chronos Books | 2014 |
| Cromwell's army : a history of the English soldier during the civil wars, and the Commonwealth and Protectorate | Adair, JohnFirth, Charles Harding, Sir, 1857-1936 | Monograph or Collective Volume | Greenhill Books | 1992 |
| Cromwell's army : a history of the English soldier during the Civil Wars, the Commonwealth and the Protectorate. Introd. by P.H. Hardacre. | Firth, Charles Harding, Sir, 1857-1936 | Monograph or Collective Volume | | 1962 |
| Cromwell's barrack : a commonwealth garrison fort on Inishbofin, Co. Galway | Walsh, P. | Article in Journal | | 1989 |
| Cromwell's generals | Ashley, Maurice Percy | Monograph or Collective Volume | Jonathan Cape | 1954 |
| Cromwell's siege of Waterford, 1649 | Simms, J. G. (John Gerald) | Article in Journal | | 1960 |
| Cromwell, la revolution d'Angleterre et la guerre civile | Poussou, Jean-Pierre | Monograph or Collective Volume | Presses Universitaries de France | 1993 |
| Cromwellian settlement of Ireland | | Article in Journal | | 1948 |
| Cuid chontae Luimnigh den chogadh | Ó Ceallaigh, Eoin | Article in Book | | 1951 |
| Dan Keily and Belle Boyd: the Union soldier and the Confederate spy | McCarthy, Patrick | Article in Journal | | 2021 |
| Daniel O'Neill, a royalist agent in Ireland, 1644-50 | Cregan, Donal F. | Article in Journal | | 1941 |
| David Hume on the 1641 rebellion in Ireland | Berman, David | Article in Journal | | 1976 |
| Deartháireacha Cogaidh : Scéal iontach William agus James Roantree ó Leim an Bhradáin, Co. Chill Dara|Brothers in Arms : The remarkable story of William and James Roantree from Leixlip, Co. Kildare | Kenny, Michael | Monograph or Collective Volume | Michael Kenny | 2018 |
| Desperate courage | Rice, Thomas E. | Article in Journal | | 1990 |
| Diary of a Land League activist : life of Henry F. O'Mahony, US Civil War veteran and Irish Land League activist | Quirke, Henry F. | Article in Journal | | 2008 |
| Dick Dowling and the battle of Sabine Pass | Ivins, Ann Caraway | Article in Journal | | 2002 |
| Dick Dowling and the battle of Sabine Pass (2) : The Thermopylae of Lieutenant Dick Dowling | O'Donnell, P. D. | Article in Journal | | 2002 |
| Dick Dowling, America's Galway-born hero | Carney, Noel | Article in Journal | | 2004 |
| Did the nature of the enemy make a difference? Chaplains in the Wars of the Three Kingdoms, 1642-1649 | Laurence, Anne | Article in Book | | 2004 |
| Die englische Herrschaft in Irland und die Krise der Stuart-Monarchie im 17. Jahrhundert | Asch, Ronald G. | Article in Journal | | 1990 |
| Distant drums : Irish soldiers in foreign armies | Dungan, Myles | Monograph or Collective Volume | Appletree Press | 1993 |
| Divided kingdom : Ireland, 1630-1800 | Connolly, Sean J. | Monograph or Collective Volume | Oxford University Press | 2008 |
| Edmund Burke and the first Stuart revolution | Connell, Philip | Article in Journal | | 2020 |
| Edward Wellington Boate: the Waterford man who survivev the Confederate prison camp at Andersonville in the American Civil War | Doherty, James | Article in Journal | | 2015 |
| Éireannaigh sa chogadh chathartha sna Sián Aontaithe | Ó Snodaigh, Pádraig | Article in Journal | | 1970 |
| Éirinn go brách (Ireland forever) | Bourke, Wesley | Article in Journal | | 2011 |
| English Civil War | Elliot-Wright, Philipp | Monograph or Collective Volume | Brassey's | 1997 |
| English funding of the Scottish armies in England and Ireland, 1640-1648 | Stewart, Laura A. M. | Article in Journal | | 2009 |
| English Military Intelligence in Ireland during the Wars of the Three Kingdoms | Ó Siochrú, Micheál | Article in Book | | 2006 |
| Episcopal warriors in the British wars of religion | Hibbard, Caroline M., 1942- | Article in Book | | 1991 |
| Ethnic cleansing, ethical smearing and Irish historians | Fitzpatrick, David | Article in Journal | | 2013 |
| Exile and civil war : the life of the young Irelander, John Kavanagh (1826-1862) Part II | Culleton, Edward | Article in Book | | 1998 |
| Exile in Erin : a confederate chaplain's story | Faherty, William Barnaby | Monograph or Collective Volume | Missouri Historical Society Press | 2002 |
| Fact or Fiction? Cromwell in Dublin 1649 | Ní Murchadha, Maighréad | Article in Journal | | 2011 |
| Fair Oaks : the battle of Fair Oaks, 1862 | Anonymous | Article in Journal | | 1954 |
| Far off Fredericksburg Virginia. Lieut. John F. Ferris 19th Mass. Vols. C. Div. Smuldgeon Drumsurn | Higgins, M.A. | Article in Journal | | 2004 |
| Father Luke Wadding and the Irish nation | Corish, Patrick J. | Article in Journal | | 1957 |
| Female alliances in Cromwellian Ireland: the social and political network of Elizabeth Butler, marchioness of Ormonde | McAreavey, Naomi | Article in Journal | | 2021 |
| Fighting for Lincoln? Irish attitudes to slavery during the American Civil War | Downer, Daniel | Article in Journal | | 2013 |
| Finding Irish ancestors in the American Civil War | Norris, David A. | Article in Journal | | 2010 |
| Five Butternut yankees | Maul, David T. | Article in Journal | | 1963 |
| Flying Dutchmen and Drunken Irishmen : the myths and realities of ethnic Civil War soldiers | Keller, Christian B. | Article in Journal | | 2009 |
| Four armies in Ireland | Wheeler, Scott | Article in Book | | 1995 |
| From Bawn to Fredericksburg : the letters of John Cooke | Vaughan, Mary Ann | Article in Journal | | 2019 |
| From Cavan to Cold Harbor : the life of Colonel Richard Byrnes | Spink, Barry L. | Monograph or Collective Volume | The Irish Brigade Association | 1994 |
| From Reformation to Restoration : Ireland 1534-1660 | Canny, Nicholas P. | Monograph or Collective Volume | Helicon | 1987 |
| General Andrew Thomas McReynolds, hero of the Mexican and Civil Wars | Sweeny, William M. | Article in Journal | | 1926 |
| General Cleburne and the emancipation of slaves | Hull, Mark M. | Article in Journal | | 1996 |
| General James Hewitt Ledlie | Fee, Aidan | Article in Journal | | 1999 |
| General Phil Sheridan and the American Civil War | Murphy, Pat | Article in Journal | | 2011 |
| Generals of Irish birth in the U.S. Civil War : the complete list. | Marmion, William F. K. | Article in Journal | | 2002 |
| George Monck and the controversial catholic truce of 1649 | Casway, J. I. | Article in Journal | | 1976 |
| George Tipping, the Corcoran Irish legion and the civil war | Kean, Kathleen Cochran | Article in Journal | | 1977 |
| Georgia by gaslight : glimpses of Macon from the letters of the city gas light superintendent, 1859-1862 | Owens, Jeffery Alan | Article in Journal | | 1992 |
| Gerald Fenell, doctor and politican (?-1665) | Logan, P. L. | Article in Journal | | 1960 |
| Gettysburg via Castlehackett: Colonel Patrick Kelly of the Irish Brigade | Higgins, Brendan | Article in Journal | | 2011 |
| God's executioner : Oliver Cromwell and the conquest of Ireland | Ó Siochrú, Micheál | Monograph or Collective Volume | Faber | 2008 |
| God's fury, England's fire : a new history of the English Civil Wars | Braddick, Michael J. | Monograph or Collective Volume | Allen Lane | 2008 |
| God's general : Cromwell the soldier | Robbins, Simon | Monograph or Collective Volume | Sutton | 2003 |
| Green & blue : Irish Americans in the Union Military, 1861-1865 | Shiels, Damian | Monograph or Collective Volume | Louisiana State University Press | 2025 |
| Green, blue and grey : the Irish in the American Civil War | McCarthy, Cal | Monograph or Collective Volume | Collins | 2009 |
| Grundsatzkonflikt in der Konsens-Gesellschaft : Conrad Russells Analyse der englischen Krise des 17. Jahrhunderts | Wende, Peter | Article in Journal | | 1993 |
| Heber Mac Mahon, soldier bishop of the Confederation of Kilkenny | Moore, S. P. | Article in Journal | | 1952 |
| Hector Tyndale : Carlow's association with the American Civil War and the return of John Brown's body to his wife | Nevin, Martin | Article in Journal | | 1997 |
| Henry Ireton | Ramsey, R. W. | Monograph or Collective Volume | Longmans | 1949 |
| Henry Macarthy's song, 'The Bonnie Blue Flag', and its influence in the Confederacy | Wynn, Dennis | Article in Journal | | 2022 |
| Historical introduction and overview : the un-English civil war | Morrill, John Stephen, 1946- | Article in Book | | 1997 |
| Hobbes, Bramhall and the politics of liberty and necessity : a quarrel of the Civil Wars and Interregnum | Jackson, Nicholas D. | Monograph or Collective Volume | Cambridge University Press | 2007 |
| Honour, comradeship and betrayal : Lord Capel’s sword | Tomback, David H. | Article in Journal | NA | 2019 |
| How the North was won : a military history of the Civil War | Hattaway, H. M.Jones, Archer | Monograph or Collective Volume | University of Illinois Press | 1991 |
| Hugh O'Reilly, 1581-1653 : a reforming primate | Ó Mórdha, Philip | Article in Journal | | 1970 |
| Ideology and civilian victimization in Northern Ireland’s civil war | Ahmadov, Anar K.Hughes, James | Article in Journal | | 2020 |
| Illustrating a sentimental journey : Kate O’Brien’s Farewell Spain | Davison, Jane | Article in Journal | | 2017 |
| Inchiquin's Sack of Cashel 1647 | O'Doherty, Leon | Article in Journal | | 2012 |
| Indiana's ethnic regiments | Burton, William | Article in Journal | | 1980 |
| Insurrection in the cradle of abolitionism. The 1863 Boston draft riot | Regan, Joe | Article in Journal | | 2019 |
| International Arms Traders and the British Civil Wars of the Mid Seventeenth Century | Edwards, Peter | Article in Book | | 2004 |
| Into the wheatfield : the Irish brigade at Gettysburg | O'Beirne, Kevin | Article in Journal | | 1999 |
| Into the wheatfield : the Union army's Irish brigade at Gettysburg | O'Brien, Kevin E. | Article in Journal | | 1995 |
| Introduction : a failed revolution? | Ohlmeyer, Jane H. | Article in Book | | 1995 |
| Ireland in crisis: War, politics and religion, 1641–50 | | Monograph or Collective Volume | Manchester University Press | 2019 |
| Ireland's contribution to the navies of the American civil war, 1861-1865 | Heffernan, John B. | Article in Journal | | 1957 |
| Ireland's first papal nuncio | Corish, Patrick J. | Article in Journal | | 1954 |
| Ireland's forgotten Great War : The American Civil War, 1861-65 | Sheils, Damian | Article in Journal | | 2014 |
| Ireland’s forgotten ‘Great War’? | Shiels, Damian | Article in Journal | | 2019 |
| Ireton's siege of Waterford, July-August 1650 | McCarthy, Patrick | Article in Journal | | 2020 |
| Irish Americans in the Confederate Army | O'Brien, Sean Michael | Monograph or Collective Volume | McFarland & Company, Inc. | 2013 |
| Irish confederates : the Civil War's forgotten soldiers | Tucker, Phillip Thomas, 1953- | Monograph or Collective Volume | McWhiney Foundation Press | 2006 |
| Irish green and Union blue : the Civil War letters of Peter Welsh, color sergeant, 28th Regiment, Massachusetts Volunteers | Kohl, Lawrence FrederickWelsh, Peter | Monograph or Collective Volume | Fordham University Press | 1986 |
| Irish immigrants and the American Civil War | Real, Chuck | Article in Journal | | 1996 |
| Irish land and the English Civil War 1641-8 | MacCormack, John R. | Article in Journal | | 1959 |
| Irish public opinion and the American civil war | Hernon, Joseph M. | Thesis | | 1963 |
| Irish regiments in the Union army : the Massachusetts experience | Burton, William | Article in Journal | | 1983 |
| Irish religious opinion on the American Civil War | Hernon, Joseph M. | Article in Journal | | 1964 |
| Irish sympathy for the southern confederacy | Hernon, Joseph M. | Article in Journal | | 1967 |
| Irish voices from the American civil war | Irwin, Brett | Article in Journal | | 2015 |
| Irishmen in the Confederate army | Joye, Lar | Article in Journal | | 2010 |
| James Huston : a forgotten Irish-American patriot | O'Flaherty, Patrick | Article in Journal | | 1973 |
| James Wall Scully - a Kilkenny soldier in the American Civil War | McCan, Anthony | Article in Journal | | 2002 |
| John Dooley's civil war : an Irish American's journey in the First Virginia infantry regiment | | Monograph or Collective Volume | University of Tennessee Press | 2012 |
| John Kavanagh : 2, the Union volunteer | Culleton, Edward | Article in Journal | | 1974 |
| John Lilburne and political agency in revolutionary England | Braddick, Michael J. | Article in Book | | 2017 |
| John Milton's student, Richard Barry : a biographical note | Taaffe, J. G. | Article in Journal | | 1962 |
| John Mitchel's Confederate army sons | Higgins, M.A. | Article in Journal | | 2010 |
| John W. Mallet and the Confederate Ordnance Laboratories, 1862-1865 | Hoole, W. Stanley | Article in Journal | | 1973 |
| John William Mallet : the Irish director of the Confederate ordnance department | Ó Raghallaigh, D. | Article in Journal | | 1942 |
| Joseph Mansfield - "Armed with drumsticks and courage" | Phelan, Patrricia Mansfield | Article in Journal | | 2015 |
| King Charles I | Gregg, Pauline | Monograph or Collective Volume | | 1981 |
| Lawrence Reynolds: Waterfordman, Young Ireland leader, civil war soldier and much more besides. | McCarthy, Pat | Article in Journal | | 2010 |
| Letter-book of the earl of Clanricarde : 1643-47 | | Monograph or Collective Volume | | 1983 |
| Letters from America. The Seaver family | Coyle, Eugene A. | Article in Journal | | 2006 |
| Logistics and supply | Edwards, Peter | Article in Book | | 1998 |
| Longford men in the American Civil War (1861-'65) part I : the chaplains | O'Hara, Aidan | Article in Journal | | 2011 |
| Longford men ni the American Civil War (1861-'65) part II : the all but forgotten men - the soldiers | O'Hara, Aidan | Article in Journal | | 2011 |
| Lord Falkland, 1610-43 : liberal layman in the age of the Stuarts | Addison, J. T. | Article in Journal | | 1950 |
| Marvell's 'Horatian Ode' and 'The City' : An Alternative Interpretation | Parker, Ian C. | Article in Journal | | 2007 |
| Massacres d'Irlande : 1649, 1798 | Crouzet, François | Article in Book | | 1994 |
| Mastering wartime : a social history of Philadelphia during the Civil War | Gallman, J. M. | Monograph or Collective Volume | Cambridge University Press | 1990 |
| Mayo and the rising of 1641 | Gillespie, Raymond | Article in Journal | | 1985 |
| Meagher memorabilia on display at the Waterford museum of treasures | Hearne, John M.McEneaney, Eamonn | Article in Book | | 2006 |
| Medical services in the armies of the confederate wars (1641-52) | Logan, Patrick | Article in Journal | | 1959 |
| Memoir of Andrew J. Byrne, 1830-1911 | Byrne, AndrewMorris, Nicola | Monograph or Collective Volume | Original Writing | 2008 |
| Memoirs of chaplain life : three years with the Irish Brigade in the army of the Potomac | Corby, WilliamKohl, Lawrence Frederick | Monograph or Collective Volume | Fordham University Press | 1992 |
| Memoirs of his own life and times. By Sir James Turner. MDCXXXII-MDCLXX. From the original manuscript | Turner, James, Sir
| Monograph or Collective Volume | | 1829 |
| Mercenaires irlandais au service de la France, 1635-64 | Gouhier, P. | Article in Journal | | 1968 |
| Michael Corcoran and the formation of his Irish legion | Garland, John | Article in Journal | | 1987 |
| Michael Kelly Lawler : Mexican and Civil War officer | Dorris, J. T. | Article in Journal | | 1955 |
| Military leadership in the British civil wars, 1642-1651 : "the genius of this age" | Carpenter, Stanley D. M. | Monograph or Collective Volume | Cass | 2005 |
| Military surgeons in the sixteenth and seventeenth centuries | Stewart, David | Article in Journal | | 1948 |
| Money of necessity issued in Ireland in the reign of Charles I | Smith, Aquilla | Article in Journal | | 1860 |
| Monro's Benburb army, 1646 | Hollick, Clive L. C. | Article in Journal | | 1998 |
| Montrose's Irish regiments | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1959 |
| Mulligan and the Irish Brigade | Smith, Harold F. | Article in Journal | | 1963 |
| Murder on the Missouri | Nedved, Gregory J. | Article in Journal | | 2005 |
| Myles Keogh | Pohanka, Brian | Article in Journal | | 1986 |
| Myles Walter Keogh (1840-1876) | Kehoe, Imelda | Article in Journal | | 1992 |
| Naval operations | Capp, Bernard Stuart | Article in Book | | 1998 |
| Never were men so brave | McCormack, John | Article in Journal | | 1969 |
| Never were men so brave : the Irish Brigade during the Civil War | Beller, Susan Provost | Monograph or Collective Volume | Margaret K. McElderry Books | 1998 |
| New light on the Marquis of Antrim and the "Wars of the Three Kingdoms" | Gordon, George, b.1616 | Article in Journal | | 2009 |
| Newpark House and the American civil war | Barron, Declan | Article in Journal | | 2001 |
| Note. Military longevity: widows of veterans of the American Civil War | Anonymous | Article in Journal | | 2006 |
| Notes : Anecdote of a Green flag at Fredericksburg | McLoughlin, Joseph F. | Article in Journal | | 2002 |
| Notes : Brigadier General Thomas William Sweeny, USA | Bruce-Briggs, B. | Article in Journal | | 2002 |
| Notes : Irish Brigade members aged 40 or older, listed as killed at the Battle of Antietám, 17 Sept. 1862 | Anonymous | Article in Journal | | 2002 |
| Nursing sisters in the Civil War : the New York aspect | Higgins, James | Article in Journal | | 1999 |
| Oireachtas library, list of outlaws, 1641-7 | | Article in Journal | | 1966 |
| Old Ironsides : the military biography of Oliver Cromwell | Kitson, Frank | Monograph or Collective Volume | Weidenfeld and Nicolson | 2004 |
| Oliver Cromwell | Gaunt, Peter | Monograph or Collective Volume | British Library | 2004 |
| Oliver Cromwell : an illustrated history | Litton, Helen | Monograph or Collective Volume | Wolfhound Press | 2000 |
| Oliver Cromwell and the English revolution | NA | Monograph or Collective Volume | NA | 1990 |
| Oliver Cromwell and the siege of Clonmel | Ó Siochrú, Micheál | Article in Journal | | 2016 |
| Oliver Cromwell in Ireland | Synott, P. N. N. | Article in Journal | | 1974 |
| Oliver Cromwell, priestcraft, and the 'deluded and seduced' people of Ireland | Morrill, John | Article in Book | | 2019 |
| Oliver Cromwell, soldier : the military life of a revolutionary at war | Marshall, Alan | Monograph or Collective Volume | Brassey's | 2004 |
| Oliver Cromwells Irlandpolitik | Berbig, H. J. | Article in Journal | | 1984 |
| On the Irish 'St. Patrick' or 'floreat rex' coinage, subsequently circulated in New Jersey by Mark Newbie : with reasons for connecting it with Lord Glamorgan's attempts to levy troops in Ireland for Charles | Frazer, William | Article in Journal | | 1895 |
| On the uses of slavery : the Irish in the South and Civil war rhetoric | Giemza, Bryan Albin | Article in Book | | 2013 |
| One moment of glory : the life of private Andrew Campbell of the thirteenth Tennessee cavalry, U.S.A. | Speer, Ed | Article in Journal | | 2001 |
| Operations of the parliamentary squadron at the siege of Duncannon in 1645 | Powell, J. R. | Article in Journal | | 1954 |
| Ormond's alternative : the lord-lieutenant's secret contacts with Protestant Ulster, 1645-6 | Forkan, Kevin | Article in Journal | | 2008 |
| Out of Ireland into the Union Army : the battle over Irish emigration | Ryan, Thomas J. | Article in Journal | | 2002 |
| Owen Roe and Benburb | O'Connell, J. J. | Article in Journal | | 1946 |
| Owen Roe O'Neill | Taylor, J. F. | Monograph or Collective Volume | | 1896 |
| Patrick Henry Jones : Irish American, Civil War general and Gilded Age politician | Dunkelman, Mark H. | Monograph or Collective Volume | Louisiana State University Press | 2015 |
| Patrick Henry O'Rorke: an American Civil War hero | Bennett, Brian | Article in Journal | | 2008 |
| Patrick Ronayne Cleburne : Southern soldier-citizen | Cooling, Benjamin Franklin | Article in Journal | | 1991 |
| Penn's attempt to relieve Youghal, 1645 | Powell, J. R. | Article in Journal | | 1954 |
| Peter Walsh and the Confederation of Kilkenny | Brennan, James | Article in Journal | | 1990 |
| Piaras Feiritéir | French, Noel E. | Article in Journal | | 2009 |
| Plashes and ambushes : Irish antecedents and the fighting in the wilderness | O'Grady, Kelly J. | Article in Journal | | 1999 |
| Politics and war in the three Stuart kingdoms, 1637-49 | Scott, David A. | Monograph or Collective Volume | Palgrave Macmillan | 2004 |
| Portrait of a revolutionary General : Richard Mulcahy and the founding of the Irish Free State | Valiulis, Maryann Gialanella, 1947- | Monograph or Collective Volume | Irish Academic Press | 1992 |
| Privy council registers preserved in the Public Record Office, 1st June 1637 - August 1645, reproduced in facsimile | Anonymous | Monograph or Collective Volume | NA | 1967 |
| Protestant faction, the impeachment of Strafford and the origins of the Irish civil war | Perceval-Maxwell, Michael | Article in Journal | | 1982 |
| Protestant war : the 'British' of Ireland and the wars of the three kingdoms | Armstrong, Robert (Robert Matthew) | Monograph or Collective Volume | Manchester University Press | 2005 |
| Rally 'round the flag : Chicago and the Civil War | Karamanski, Theodore J. | Monograph or Collective Volume | Nelson-Hall | 1993 |
| Rebel oppression of British subjects : statement of a deserter | Anonymous | Article in Journal | | 2005 |
| Rebellion, transplantation and composition : the Ulster-Scots landed élite and the Commonwealth | Menarry, David J. | Article in Book | | 2009 |
| Red on green : "Meagher of the sword" and the Irish Brigade at Fredericksburg | Callaghan, James | Article in Journal | | 1998 |
| Rediscovering Difference? : Nations, Peoples and Politics in the British Civil Wars | Bowen, Lloyd | Article in Journal | | 2006 |
| Remember Fontenoy! The 69th New York and the Irish Brigade in the Civil War | Bilby, Joseph G. | Monograph or Collective Volume | Longstreet House | 1995 |
| Remembering the fallen | McInerney, J. | Article in Journal | | 1996 |
| Remembering the Irish in the American Civil War. | Perry, John | Article in Journal | | 2016 |
| Rethinking revolution in seventeenth-century Britain | Morrill, John Stephen, 1946- | Article in Book | | 2003 |
| Rickard O'Connell (1572-1653) | O'Shea, Kieran | Article in Journal | | 1978 |
| Rinuccini and civil war in Ireland, 1644-49 | Boyd, Andrew, 1921- | Article in Journal | | 1991 |
| Rinuccini's censure of 27 May 1648 | Corish, Patrick J. | Article in Journal | | 1951 |
| Robert Patterson and other elderly Generals of the American Civil War | Marmion, William F.K. | Article in Journal | | 2015 |
| Roundhead General : the campaigns of Sir William Waller | Adair, John | Monograph or Collective Volume | Sutton | 1997 |
| Royalists, Covenanters, and the shooting of servants in the Scottish Civil War | Covington, Sarah | Article in Journal | | 2007 |
| Rural settlement in the neighbourhood of Kells, County Meath : a review of the Civil and Down survey evidence | Kelly, J. | Article in Journal | | 1976 |
| Scotland and the British revolutions | Williamson, Arthur H. | Article in Journal | | 1994 |
| Scotland, Ireland and the English Civil War | Hamilton, C. L. | Article in Journal | | 1975 |
| Scottish covenanters and Irish confederates : Scottish-Irish relations in the mid-seventeenth century | Stevenson, David, Ph. D. | Monograph or Collective Volume | Ulster Historical Foundation | 1981 |
| Select Document: John Hampden Jackson, 'Finland and Ireland: assorted comparisons' (1937) | Jackson, John Hampden, 1907-1966 | Article in Journal | | 2017 |
| Select documents XXXV. The desertion of the Irish by Coll Keitach's sons, 1642 | | Article in Journal | | 1978 |
| Sergeant Edward McGuckin : an Irish casualty in the American civil war | McGuckin, J. H. | Article in Journal | | 2000 |
| Serpent-salve, 1643 : the royalism of John Bramhall | Sanderson, John | Article in Journal | | 1974 |
| Siege of Clonmel commemoration : tercentenary souvenir record | Darmody, W. C.O'Connell, Philip | Monograph or Collective Volume | Nationalist Newspaper Co. | 1950 |
| Siegefields : An Archaeological Assessment of 'Small' sieges of the British Civil Wars | Harrington, Peter | Article in Journal | | 2005 |
| Sint-Truiden : Irish Franciscan documents | | Article in Journal | | 1963 |
| Sir Phelim O'Neill's Regiment of Foot and Troop of Horse, 1641-1652 | Hollick, C.L.C. | Article in Journal | | 2006 |
| Sir Robert Southwell and the duke of Ormond's reflections on the 1640s | Perceval-Maxwell, Michael | Article in Book | | 2001 |
| Sisters of secession : the unclaimed legacies of two Southern American Irish women | Giemza, Bryan | Article in Journal | | 2010 |
| Soldiers and strangers : an ethnic history of the English Civil War | Stoyle, Mark | Monograph or Collective Volume | Yale University Press | 2005 |
| Some aspects of the wars in Ireland, 1641-1649 | Lowe, John | Article in Journal | | 1960 |
| Some aspects of the wars in Ireland, 1641-9 | Lowe, John | Article in Journal | | 1959 |
| Some notes on the Irish during the first month of the American civil war | Garland, John | Article in Journal | | 1961 |
| Some pre-Civil War Irish Militiamen of Brooklyn, New York | Bennett, William Harper | Article in Journal | | 1922 |
| Sound and fury : civil war dissent in the Cincinnati area | Klement, Frank L. | Article in Journal | | 1977 |
| Southern citizen : John Mitchel, the Confederacy and slavery | Quinn, James | Article in Journal | | 2007 |
| Strafford's ghost : the British context of Viscount Lisle's lieutenancy of Ireland | Adamson, John Sonley Anthony | Article in Book | | 1995 |
| Swift, secret history, and war | Keymer, Thomas | Article in Journal | | 2019 |
| T. F. Meagher and the Irish Brigade | Cullinane, Jim | Article in Journal | | 2003 |
| Tait uniforms | Shield, Damian | Article in Journal | | 2012 |
| Tercentenary commemoration of the siege of Limerick, 1651-1951 : souvenir book | Limerick Corporation | Monograph or Collective Volume | Limerick Leader | 1951 |
| Tercentenary of Owen Roe O'Neill | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1949 |
| The 'Irishes' in Scotland, 1644-7 | Roberts, Alasdair | Article in Journal | | 1984 |
| The 'old' British histories? | Ohlmeyer, Jane H. | Article in Journal | | 2007 |
| The 69th Regiment at Bull Run | | Article in Journal | | 1965 |
| The American Civil War | Fratini, Mary ElizabethO'Hurley-Pitts, MichaelO'Neill, Stephen B. | Article in Book | | 1999 |
| The American Civil War and Irish nationalism | Joyce, Toby | Article in Journal | | 1996 |
| The Atkins of Mallow | Myers, Kevin | Article in Journal | | 2009 |
| The Atlantic archipelago and the war of the three kingdoms | Pocock, John Greville Agard, 1924- | Article in Book | | 1996 |
| The background to the civil wars in the Stuart kingdoms | Kenyon, John PhilippsOhlmeyer, Jane H. | Article in Book | | 1998 |
| The Baronial Context of the Irish Civil Wars | Ohlmeyer, Jane H. | Article in Book | | 2009 |
| The Battle of Benburb. Friday, 5th June, 1646 (old style) | An Ulster Archaeologist | Article in Journal | | 1879 |
| The battle of Clones, 1643 | Ó Mórdha, Pilib | Article in Journal | | 1962 |
| The battle of Ross : a controversial military event | Miller, Amos Calvin | Article in Journal | | 1971 |
| The Belturbet Council and the election of March, 1650 | Casway, J. I. | Article in Journal | | 1986 |
| The Birth of the Irish Free State, 1921-1923 | Curran, J. M. | Monograph or Collective Volume | Alabama UP | 1980 |
| The Boston draft riot | Hanna, William | Article in Journal | | 1990 |
| The Boston Pilot reports the Civil War | Walsh, Francis R. | Article in Journal | | 1981 |
| The breakdown of authority, 1640-41 | Clarke, Aidan | Article in Book | | 1976 |
| The breath of hell's door : private William McCarter and the Irish Brigade at Fredericksburg | O'Brien, Kevin E. | Article in Journal | | 1994 |
| The British civil wars, 1637-1651 | Gaunt, Peter | Monograph or Collective Volume | Routledge | 1997 |
| The British revolution, 1629-1660 | Macinnes, Allan I. | Monograph or Collective Volume | Palgrave Macmillan | 2005 |
| The Britishness of the English revolution | Morrill, John Stephen, 1946- | Article in Book | | 1993 |
| The campaign of the Irish royalist army in Cheshire, November 1643-January 1644 | Lowe, John | Article in Journal | | 1960 |
| The Catalan separatist insurrection armament of 1926 in the shadow of the Irish armed decade | Esculies, Joan | Article in Journal | | 2024 |
| The Catholic Confederacy, 1642-9: an Irish state at war | Lenihan, Pádraig | Thesis | | 1995 |
| The causes of the English Civil War : a new analysis | Wedgwood, Cicely Veronica, Dame, 1910-1997 | Article in Journal | | 1955 |
| The Causes of the English Civil War : the Ford Lectures delivered in the University of Oxford, 1987-1988 | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Monograph or Collective Volume | | 1990 |
| The Causes of the English Civil War. | Hughes, Ann, 1951- | Monograph or Collective Volume | | 1991 |
| The civil war in Britain seen from Japanese viewpoints : a repsonse | Tomia, Rie | Article in Book | | 2003 |
| The civil war in Britain seen from Japanese viewpoints : some comments | Kawakita, Minoru | Article in Book | | 2003 |
| The Civil War party system : the case of Massachusetts, 1848-1876 | Baum, Dale | Monograph or Collective Volume | # | 1984 |
| The civil wars experienced : Britain and Ireland, 1638-61 | Bennett, Martyn | Monograph or Collective Volume | Routledge | 2000 |
| The civil wars in Britain and Ireland, 1638-1651 | Bennett, Martyn | Monograph or Collective Volume | Blackwell Publishers | 1997 |
| The civil wars in Ireland | Ohlmeyer, Jane H. | Article in Book | | 1998 |
| The Civil Wars, 1637-1653 | Bennett, Martyn | Monograph or Collective Volume | Sutton | 1998 |
| The clandestine correspondence of Father Patrick Crelly, 1648-9 | Casway, Jerrold | Article in Journal | | 1978 |
| The coinage of Ireland during the rebellion, 1642-52 | Yeates, F. W. | Article in Journal | | 1921 |
| The concise encyclopedia of the revolutions and wars of England, Scotland and Ireland, 1639-1660 | Manganiello, Stephen C. | Monograph or Collective Volume | Scarecrow | 2004 |
| The Confederacy's fighting chaplain : Father John B. Bannon | Tucker, Phillip Thomas, 1953- | Monograph or Collective Volume | University of Alabama Press | 1992 |
| The Confederate Catholics of Ireland : the personnel of the Confederation, 1642-9 | Cregan, Donal F. | Article in Journal | | 1995 |
| The Confederate states at sea in the American civil war : the Irish contribution | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1980 |
| The Confederate States navy, 1861-1865 : the Irish contribution | Ireland, John de Courcy, 1911-2006 | Article in Journal | | 1980 |
| The confederation of Kilkenny reviewed | Beckett, J. C. (James Camlin) | Article in Book | | 1959 |
| The consuls who helped sink a fleet : Union consuls in Ireland, intelligence and the American Civil War | Whelan, Bernadette | Article in Book | | 2006 |
| The crisis in Ireland in 1648 : the nuncio and the Supreme council. Conclusions | Corish, Patrick J. | Article in Journal | | 1955 |
| The Cromwellian assault on Clonmel | Lyons, Patrick, 1861-1954 | Article in Book | | 1950 |
| The Cromwellian gazeteer : an illustrated guide to Britain in the civil war and commonwealth | Gaunt, Peter | Monograph or Collective Volume | Allan Sutton and the Cromwellian Association | 1987 |
| The Cromwellian government and the transportation to Connacht | Herlihy, Kevin | Article in Journal | | 1993 |
| The Cromwellian High Courts of Justice in Ulster | McCartan, Michael | Article in Journal | | 2010 |
| The Cromwellian settlement of Ireland | Prendergast, J. P. (John Patrick), 1808-1893 | Monograph or Collective Volume | Constable | 1996 |
| The curse of Cromwell : a history of the Ironside conquest of Ireland, 1649-53 | Esson, Denis Main Ross | Monograph or Collective Volume | Leo Cooper | 1971 |
| The daughters of the first earl of Cork : writing family, faith, politics and place | Walsh, Ann-Maria | Monograph or Collective Volume | Four Courts Press | 2020 |
| The debate on the English revolution | Richardson, Roger Charles | Monograph or Collective Volume | Manchester University Press | 1998 |
| The defenders of Clonmel | O'Connell, Philip | Article in Book | | 1950 |
| The Dromore West Union Workhouse, Co. Sligo | Flynn, Kathleen | Article in Journal | | 2023 |
| The duke of Ormond, and Protestant dissent in Ulster | Perceval-Maxwell, Michael | Article in Book | | 2009 |
| The eagle and the harp : the enterprising Byrne Brothers of County Monaghan | Harris, Ruth-Ann M.Sommers Smith, Sally K. | Article in Journal | | 2010 |
| The earl of Antrim and Irish aid to Montrose in 1644 | Lowe, John | Article in Journal | | 1960 |
| The end of an era : Ulster and the outbreak of the 1641 rising | Gillespie, Raymond | Article in Book | | 1986 |
| The English Civil War | | Monograph or Collective Volume | Ashgate | 2007 |
| The English Civil War | Ashley, Maurice Percy | Monograph or Collective Volume | Sutton | 1996 |
| The English Civil War : a historical companion | Bennett, Martyn | Monograph or Collective Volume | Tempus | 2004 |
| The English civil wars 1640-1660 | Worden, Blair | Monograph or Collective Volume | Weidenfeld and Nicolson | 2009 |
| The English Revolution and the wars in the three kingdoms, 1638-1652 | Gentles, Ian | Monograph or Collective Volume | Longman | 2007 |
| The Fall of the British Monarchies, 1637-1642 | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Monograph or Collective Volume | NA | 1991 |
| The Fenian raids on Canada: a postscript to Irish involvement in the American Civil War | Ó Cathaoir, Brendan | Article in Journal | | 2015 |
| The fighting 69th : the history of the Sixty-ninth Regiment of New York | Powers, Kenneth H. | Monograph or Collective Volume | The Irish American Heritage Museum | #|- |
| The fighting 69th times four | Repucha, Caroline M. | Article in Journal | | 2004 |
| The fighting Irish of the Civil War | Calkins, Virginia | Article in Journal | | 1994 |
| The fighting sixty-ninth | Mullen, Thomas J. | Article in Journal | | 1969 |
| The forgotten Irish : Irish emigrant experiences in America | Shiels, Damian | Monograph or Collective Volume | History Press Ireland | 2016 |
| The formation of Meaghers' Irish Brigade | Garland, J. L. | Article in Journal | | 1958 |
| The Galway American 1862-63 : James Roche and the American civil war | Joyce, Toby | Article in Journal | | 1996 |
| The genesis of the Ulster rising of 1641 | Clarke, Aidan | Article in Book | | 1981 |
| The Glamorgan mission to Ireland, 1645-6 | Lowe, John | Article in Journal | | 1964 |
| The grand quarrel : women's memoirs of the English Civil War | | Monograph or Collective Volume | Sutton | 2000 |
| The greatest brigade : how the Irish Brigade cleared the way to victory in the American Civil War | Craughwell, Thomas J. | Monograph or Collective Volume | Four Winds | 2011 |
| The green and the blue | Welch, Richard F. | Article in Journal | | 2006 |
| The green and the grey : the Irish in the Confederate States of America | Gleeson, David T. | Monograph or Collective Volume | University of North Carolina Press | 2013 |
| The Hamilton papers as a source for the history of the British civil wars | Scally, John Joseph | Article in Journal | | 1998 |
| The harp and the eagle : Irish-American volunteers and the Union Army, 1861-1865 | Bruce, Susannah Ural | Monograph or Collective Volume | New York University Press | 2006 |
| The history of the ninth regiment, Massachusetts Volunteer Infantry, June, 1861-June, 1864 | Macnamara, Daniel GeorgeSamito, Christian G. | Monograph or Collective Volume | Fordham University Press | 2000 |
| The history of the rebellion and civil wars in Ireland | Hyde, Edward, 1st earl of Clarendon, 1609-1674 | Monograph or Collective Volume | [s.n.] | 1720 |
| The history of the Sixty-ninth regiment in the Irish brigade, 1861 to 1865 | O'Flaherty, P. | Monograph or Collective Volume | [s.n.] | 1986 |
| The immortal Irishman : the Irish revolutionary who became an American hero | Egan, Timothy | Monograph or Collective Volume | Houghton Miffin Harcourt | 2016 |
| The impact of the 1641 rebellion upon England and Wales, 1641-5 | Lindley, Keith | Article in Journal | | 1972 |
| The impact of the American Civil War on the emergence of Irish-American nationalism | Manzor, Paul James | Thesis | | 2001 |
| The impact of the [American] Civil War on the emergence of Irish-American nationalism | Manzor, Paul James | Thesis | | 2000 |
| The impossible diplomatic mission of Giovanni Battista Rinuccini 1645-1649 | O'Sullivan, T. F. | Article in Journal | | 1993 |
| The infantry of the confederate Leinster army, 1642-47 | Perry, Nicholas | Article in Journal | | 1983 |
| The Irish admiralty, 1642-3 | Bryan, Dan | Article in Journal | | 1947 |
| The Irish adventurers and the English Civil War | MacCormack, John R. | Article in Journal | | 1956 |
| The Irish brigade | Jones, Paul John | Monograph or Collective Volume | Lucy | 1969 |
| The Irish Brigade and its campaigns | Conyngham, David Power | Monograph or Collective Volume | Fordham University Press | 1994 |
| The Irish Brigade at Fredericksburg | Jones, F. | Article in Journal | | 1963 |
| The Irish brigade at Fredericksburg : the story of a glorious failure | Gallagher, Edward J. | Article in Journal | | 1942 |
| The Irish brigade at the battle of Fredericksburg | O'Flaherty, Patrick | Article in Journal | | 1987 |
| The Irish Brigade with Montrose | Duggan, Lucy | Article in Journal | | 1958 |
| The Irish brigades in the Union army, 1861-65 | Mullen, Thomas J. | Article in Journal | | 1970 |
| The Irish Catholic Confederacy and the Puritan Revolution | Coonan, T. L. | Monograph or Collective Volume | Clonmore & Reynolds | 1954 |
| The Irish Desert Fox | Lowry, Thomas | Article in Journal | | 2003 |
| The Irish dragoons in the Amerian civil war | Garland, J. L. | Article in Journal | | 1950 |
| The Irish economy at war, 1641-1652 | Gillespie, Raymond | Article in Book | | 1995 |
| The Irish general : Thomas Francis Meagher | Wylie, Paul R. | Monograph or Collective Volume | University of Oklahoma Press | 2007 |
| The Irish in the American Civil War | Shiels, Damien | Monograph or Collective Volume | History Press | 2013 |
| The Irish lineage of the 69th Pennsylvania Volunteers | Kane, Michael H. | Article in Journal | | 1991 |
| The Irish media and the foundation of the Irish State on 6 December 1922 | Mohr, Thomas | Article in Journal | | 2023 |
| The Irish nationalist and southern secession | Hernon, Joseph M. | Article in Journal | | 1966 |
| The irrepressible James Shields | Hassler, William W. | Article in Journal | | 1979 |
| The Leinster army and the Battle of Dungan's Hill, 1647 | Lenihan, Pádraig, 1959- | Article in Journal | | 1991 |
| The life and adventures of two Drogheda Fenians, Patrick Leonard and John Francis Nugent | Matthews, Brendan | Article in Journal | | 2013 |
| The life and times of Sir Frederick Hamilton, 1590-1647 : 'The Bragger' | Rooney, Dominic | Monograph or Collective Volume | Four Courts | 2013 |
| The life and work of Irish-American artist John Mulvany (1839-1906) | Weber-Scobie, Anne | Monograph or Collective Volume | Binghampton | 1993 |
| The lost leader? Thomas Francis Meagher and the Fenian Brotherhood | McCarthy, Pat | Article in Book | | 2006 |
| The luck of Andrew J. Byrne | Joyce, Toby | Article in Journal | | 2010 |
| The marquis of Antrim : a Stuart turn-kilt | Ohlmeyer, Jane H. | Article in Journal | | 1993 |
| The memorial to the Irish brigade at Gettysburg | Anonymous | Article in Journal | | 1958 |
| The military and ministers as agents of presbyterian imperialism in England and Ireland, 1640-1648 | Furgol, E. M. | Article in Book | | 1982 |
| The mystery of William Handlon | Cole, Hunter McKelva | Article in Journal | | 2005 |
| The National Covenant in its British context, 1638-1651 | | Monograph or Collective Volume | | 1990 |
| The negotiations between Charles I and the Confederation of Kilkenny, 1642-1649 | Lowe, John | Thesis | | |
| The New Model Army and the problems of siege warfare, 1648-1651 | Burke, James | Article in Journal | | 1990 |
| The New York draft riots of 1863 : an Irish civil war? | Joyce, Toby | Article in Journal | | 2003 |
| The Noble Revolt. The Overthrow of Charles I | Adamson, John Sonley Anthony | Monograph or Collective Volume | Weidenfeld and Nicolson | 2007 |
| The obsidional money of the great rebellion (1642-9) | Nelson, Philip | Article in Journal | | 1905 |
| The Outbreak of the Civil Wars in the Three Kingdoms | Peacey, Jason | Article in Book | | 2003 |
| The poems of Geoffrey O'Donoghue = Dánta Shéafraidh Uí Dhonnchadha an Ghleanna | Minahane, JohnÓ Donnchadha an Ghleanna, Séafraidh, c.1620-1678 | Monograph or Collective Volume | Aubane Historical Society | 2008 |
| The politics of British union in 1642 and the purpose of civil war pamphlets | Peacey, Jason | Article in Journal | | 2007 |
| The politics of Munster protestants, 1641-9 | Murphy, John A. | Article in Journal | | 1971 |
| The politics of resentment : Unionist regiments and the New Orleans immigrant community, 1862-1864 | Hunter, G. | Article in Journal | | 2003 |
| The prison ministry of Father Peter Whelan, Georgia priest and confederate chaplain | Meaney, Peter J. | Article in Journal | | 1987 |
| The regimental history of Cromwell's army | Davis, GodfreyFirth, Charles Harding, Sir, 1857-1936 | Monograph or Collective Volume | Clarendon Press | 1991 |
| The Royalist collapse in Munster, 1650-2 | McCarthy, W. P. | Article in Journal | | 1963 |
| The rule of saints and soldiers : the wars of Religion in Britain and Ireland 1638-1660 | Morrill, John Stephen, 1946- | Article in Book | | 2008 |
| The Sack of Cashel 1647 | Swift,Dave | Article in Journal | | 2023 |
| The sack of Cashel, 1647 | Murphy, John A. | Article in Journal | | 1965 |
| The siege and surrender of Galway, 1651-1652 | Duffy, E. P. | Article in Journal | | 1983 |
| The siege of Clonmel | Dineen, Patrick | Article in Journal | | 1950 |
| The siege of Limerick, 1651 | Mooney, Canice | Article in Journal | | 1952 |
| The significance of the siege of Clonmel | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1950 |
| The sixty-ninth regiment of New York | Forde, Frank | Article in Journal | | 1989 |
| The south Ulster borderland as a political frontier in the 1640s | Forkan, Kevin | Article in Journal | | 2004 |
| The Sparrows and the Parkers | Davidson, Mary Anne Norman | Article in Journal | | 2010 |
| The star-spangled shamrock : memory and meaning in Irish America | O'Neill, Kevin | Article in Book | | 2001 |
| The story of the 116th Regiment, Pennsylvania Volunteers in the War of the Rebellion | Kohl, Lawrence FrederickMulholland, St. Clair A. (St. Clair Augustin) | Monograph or Collective Volume | Fordham University Press | 1996 |
| The strange death of Thomas Francis Meagher : tribal politics in territorial Montana | Emmons, David M. | Article in Book | | 2006 |
| The strange letters of Mathew O'Hartegan, S.J., 1644-45 | Morrissey, Thomas J. | Article in Journal | | 1970 |
| The three Faithful Teates | Golden, S. H. | Article in Journal | | 1955 |
| The two histories of mid-nineteenth-century America : some reflections on the recent historiography of the Civil War | Parish, Peter | Article in Journal | | 1993 |
| The Ulster refuge of the Northern army | Casway, Jerrold | Article in Journal | | 2006 |
| The Ulster rising of 1641, and the depositions | Perceval-Maxwell, Michael | Article in Journal | | 1978 |
| The Ulster Scots and the Engagement, 1647-8 | Forkan, Kevin | Article in Journal | | 2007 |
| The use of the American civil war in the debate over Irish home rule | Hernon, Joseph M. | Article in Journal | | 1964 |
| The very odd vision of F. W. Guerin | Ward, Geoffrey C. | Article in Journal | | 1982 |
| The wars of religion, 1603-1660 | Ohlmeyer, Jane H. | Article in Book | | 1996 |
| The wars of the three kingdoms | Ohlmeyer, Jane H. | Article in Journal | | 1998 |
| The Wars of the Three Kingdoms, 1642-1649 | Scott, David A. | Article in Book | | 2003 |
| The western Irish brigade (23rd Illinois infantry regiment) | Von Allendorfer, Frederic | Article in Journal | | 1955 |
| The world of Mary Farrington, 1841-1932 | Reynolds, Elsie | Article in Journal | | 1996 |
| This blessed plot | Brown, David | Article in Journal | | 2020 |
| Thomas Francis Meagher | Murphy, Kevin | Article in Book | | 1987 |
| Thomas Francis Meagher : an Irish revolutionary in America | Athearn, R. G. | Monograph or Collective Volume | University of Colorado Press | 1949 |
| Thomas Francis Meagher : reluctant revolutionary | Hearne, John M. | Article in Book | | 2006 |
| Thomas Francis Meagher : the making of an Irish-American | | Monograph or Collective Volume | Irish Academic Press | 2005 |
| Thomas Francis Meagher in love and war : a narrative history | Smith, David | Article in Book | | 2006 |
| Three ballads of the American civil war | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1963 |
| Through American and Irish wars : the life and times of General Thomas W. Sweeny 1820-1892 | Morgan, Jack | Monograph or Collective Volume | Irish Academic Press | 2006 |
| Through Irish eyes : the Civil War photography of Timothy O'Sullivan | McGinn, Brian | Article in Journal | | 1999 |
| Toward the "lace curtain" : the Irish in Cleveland in the immediate Post-Civil War era | Geary, James W. | Article in Journal | | 1982 |
| Tracing the Irish in the American Civil War | Fitzsimons, Fiona | Article in Journal | | 2014 |
| Two contemporary historians of the confederation of Kilkenny : John Lynch and Richard O'Ferrall | Corish, Patrick J. | Article in Journal | | 1953 |
| Two relics of the American civil war | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1951 |
| Two Ulster Businessmen's views of the American civil war | Morton, Grenfell | Article in Journal | | 1975 |
| Uiriamu Aren : ferutobo seizoko, ajitita, airurand osiefuku = [Felt hat manufacturerer and agitator William Allen and the subjugation of Ireland] | Onishi, Haruki | Article in Journal | | 1995 |
| Union green : the Irish community and the civil war | Spann, Edward K. | Article in Book | | 1996 |
| Unrevolutionary England, 1603-1642 | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Monograph or Collective Volume | | 1990 |
| Vatican diplomacy and the mission of Rinuccini to Ireland | Ó hAnnracháin, Tadhg | Article in Journal | | 1993 |
| Vindiciarum Catholicorum Hiberniae authore Philopatro Irenaeo ad Alitophilum libri duo : quorum primus rerum in Hibernia gestarum ab anno 1641, ad annum 1649. verissimam & actorum publicorum fide munitam synopsim, secundus libelli famosi in Catholicas Hiberniae proceres, qui honestissimam cum regiarum partium hominibus pacem inierunt, accuratam confutationem continet | Callaghan, John, fl. 1650 | Monograph or Collective Volume | | 1650 |
| Viscount Ards and the presbytery : politics and religion among the Scots of Ulster in the 1640s | Armstrong, Robert (Robert Matthew) | Article in Book | | 2009 |
| War and recruitment - peasants as patriots | Truslow, Marion A. | Article in Journal | | 1993 |
| War and revolution : County Fermanagh and its borders c.1640-c.1666 | McCoy, Charlene | Thesis | | 2008 |
| When royalist Bandon switched to support of Cromwell | Bradley, Pamela | Article in Journal | | 1993 |
| Who fought for the North in the Civil War? Concord, Massachusetts enlistments | Rorabaugh, W. J. | Article in Journal | | 1986 |
| Who framed Charles I? the forged commission for the Irish rebellion of 1641 revisited | Cunningham, John, 1984- | Article in Journal | | 2021 |
| Why men fought in the British Civil Wars, 1639-1652 | Gentles, Ian | Article in Journal | | 1993 |
| Why was Charles I executed? | Holmes, Clive | Monograph or Collective Volume | Hambledon | 2006 |
| William Smith O'Brien and the American civil war | David, Richard | Article in Journal | | 1993 |
| William Wallace's civil war letters : the Virginia campaign | Holzhueter, John O. | Article in Journal | | 1973 |
| ¿Un reino más para la monarquía? Felipe IV, Irlanda y la guerra civil inglesa, 1641-1649 | Valladares Ramirez, Rafael | Article in Journal | | 1996 |
| ‘Hawks turn to doves' : the response of the post-revolutionary generation to the ‘new' troubles in Ireland, 1969–1971 | Rice, Briege | Article in Journal | | 2015 |
| ‘I have been trying veryhard to be powerful “nice” …’ : the correspondence of Sister M. De Sales (Brennan) during the American Civil War | Moore Quinn, E. | Article in Journal | | 2010 |
| ‘The women’s weapon’ : reclaiming the hunger strike in the fiction of Dorothy Macardle, Máiréad Ní Ghráda and Máirín Cregan | Aiken, Siobhan | Article in Journal | | 2021 |
| ‘To live and die [for] Dixie’ : Irish civilians and the Confederate States of America | Gleeson, David T. | Article in Journal | | 2010 |
| “In sober dignity” : the Irish Brigade, ethnicity, and the Irish Catholic temperance movement in the Civil War era | Smithmyer, Abbi | Article in Journal | | 2021 |