| "A fellowship of disaffection" : Irish South-African relations from the Anglo-Boer war to Pretoriastroika, 1902-1991 | Lowry, Donal | Article in Journal | | 1992 |
| "An unusual diplomat" : Dobrzynski biography | Dobrzynska-Cantwell, Krystyna | Monograph or Collective Volume | Polish Cultural Foundation | 1998 |
| "Chivalrous rather than administrative" : The career of the third marquess of Londonderry, soldier, diplomat, landlord | Parkhill, Trevor | Article in Book | Ulster Historical Foundation | 2007 |
| "Civil servants cannot be politicians" : the professionalisation of the Irish foreign service, 1919-22 | Kennedy, Michael (Michael J.) | Article in Journal | | 1997 |
| "In spite of all impediments" : the early years of the Irish diplomatic service | Kennedy, Michael (Michael J.) | Article in Journal | | 1999 |
| "Ireland and Argentina in the twentieth century : diaspora, diplomacy, dictatorship, Catholic mission and Falklands crisis" [by] Dermot Keogh (with Patrick Kiely). Cork, 1922 | Kennedy, Michael (Michael J.) | Article in Journal | | 2022 |
| "Les Irlandais attendent avec une légère impatience": Paris et la demande d'adhésion de Dublin à la CEE, 1961-1973 | Gillissen, Christophe | Article in Journal | | 2011 |
| "Les Irlandais attendent avec une légère impatience": Paris et la demande d'adhésion de Dublin à la CEE, 1961-1973 | Gillissen, Christophe | Article in Journal | | 2012 |
| "Phases of a dishonourable phantasy" | Mitchel, Angus | Article in Journal | | 2012 |
| "Quiet diplomacy and personal conversation" : track two diplomacy and the search for a settlement in Northern Ireland | Arthur, Paul, 1945- | Article in Book | University College Dublin Press | 1999 |
| '...the false and crafty bludsukkers, the Observauntes' : '...na súmairíbréagacha beartacha : na hObsarvaintigh' | Mac Craith, Mícheál | Article in Book | Guildhall Press | 2010 |
| 'A garden in the very centre of Christendom' : the earls' sojourn in the duchy of Lorraine | Lyons, Mary Ann | Article in Book | Guildhall Press | 2010 |
| 'A voyage of exploration' : Irish diplomatic perspectives on Egypt, Sudan and Palestine in the inter-war years | Kennedy, Michael (Michael J.) | Article in Book | Irish Academic Press | 2007 |
| 'According to the Irish minister in Rome ...' : British decrypts and Irish diplomacy in the Second World War | O'Halpin, Eunan | Article in Journal | | 1995 |
| 'Guest of the Nation' : Charles de Gaulle's visit to Ireland in the Irish press (1969) | Neville, Grace | Article in Book | | 2009 |
| 'Ireland's Revolutionary Diplomat: a biography of Leopold Kerney' [by] Barry Whelan. Notre Dame, 2019; reviewed by Manus O'Riordan | O'Riordan, Manus | Article in Journal | | 2019 |
| 'Love/hate' - the Haughey/Thatcher relationship and the Anglo-Irish summit, 8 December 1980 | Kelly, Stephen | Article in Journal | | 2015 |
| 'More with miracles than with human strength' : Florence Conry and the outcome of calls for renewed Spanish military intervention in Ireland, 1603-09 | Hazard, Benjamin | Article in Book | | 2010 |
| 'Mr Bewley in Berlin': aspects of the career of an Irish diplomat | Roth, Andreas | Thesis | | 1998 |
| 'No Mean Diplomat': The gift exchange practices of Shane O'Neill, a renaissance Gaelic lord | Sheils, Melissa | Article in Journal | | 2022 |
| 'Nobody knows and ever shall know from me that I have written it' : Joseph Walshe, Éamon de Valera and the execution of Irish foreign policy, 1932-8 | Kennedy, Michael (Michael J.) | Article in Journal | | 2003 |
| 'Principle well seasoned with the sauce of realism' : Seán Lester, Joseph Walshe and the definition of the Irish Free State's policy towards Manchuria | Kennedy, Michael (Michael J.) | Article in Journal | | 1995 |
| 'Publishing a secret history' : the documents on Irish foreign policy project | Kennedy, Michael (Michael J.) | Article in Journal | | 1998 |
| 'Saint Patrick blesh vs': Captain Thomas Stukeley, textual quirks and the Nine Years War | De Ornellas, Kevin | Article in Book | | 2010 |
| 'The Magna Carta' : Irish diplomatic missions to South Africa, 1921 | Reilly, Ciaran | Article in Journal | | 2015 |
| 'This is not a place for delicate or nervous or impatient diplomats' : the Irish legation in Perón's Argentina (1948-55) | Hand, Paul | Article in Journal | | 2005 |
| 27 December 1922: The Occupation of the Irish Consulate, New York : Revolutionary Diplomacy | Gibney, John | Article in Book | | 2022 |
| A diplomatic history of Ireland, 1948-49 : the Republic, the Commonwealth and NATO | McCabe, Ian | Monograph or Collective Volume | Irish Academic Press | 1991 |
| A dynastic nation? Re-thinking national consciousness in early seventeenth-century Ireland | Kane, Brendan | Article in Book | | 2010 |
| A French consul in Ireland, 1789-1792 | Ryan, F. W. | Article in Journal | | 1931 |
| A history of Ireland in international relations | McGee, Owen | Monograph or Collective Volume | Irish Academic Press | 2020 |
| A plot without 'capriccio' : Irish utopia and political activity in Madrid, 1639-40 | Pérez Tostado, IgorTroncarelli, Fabio | Article in Book | | 2008 |
| A Salamancan who evaded the Inquisition : Florence Conry, pro-Hapsburg archbishop, diplomat and controversial theologian, c.1560-1629 | Downey, Declan M. | Article in Book | | 2008 |
| A survey of the reports of French consuls in Ireland, 1814-1929 | Tierney, Mark | Article in Book | | 1978 |
| A survey of the Vatican Archives and of its medieval holdings | Boyle, Leonard E. | Monograph or Collective Volume | Pontifical Institute of Mediaeval Studies | 1972 |
| Addressing the Irish world : Éamon de Valera’s ‘Cuban policy’ as a global case study | Gannon, Darragh | Article in Journal | | 2020 |
| After the "Emergency" : Ireland in the post-war world, 1945-50 | Dinan, Desmond, 1957- | Article in Journal | | 1989 |
| Aiken's mission to the United States in 1941 : a reinterpretation | Barlow, Dorothy | Article in Journal | | 1994 |
| All politics is local : the USA and the anti-partition movement during the first inter-party government | Keane, Elizabeth | Article in Journal | | 2007 |
| America and the Making of an Independent Ireland: A History | Carroll, Francis M. | Monograph or Collective Volume | New York University Press|NYU Press | 2021 |
| American government in Ireland, 1790-1913 : a history of the US consular service | Whelan, Bernadette | Monograph or Collective Volume | Manchester University Press | 2010 |
| An appeal to Philip III of Spain by Ó Suilleabháin Béirre, December 1601 | Ó Cuív, Brian | Article in Journal | | 1997 |
| An Irish agent of the counter-reformation, Dominic O'Daly | Mac Curtain, Benvenuta | Article in Journal | | 1967 |
| An Irish visitor to the court of the Shah of Persia in 1835 : extract from the unpublished diary of Sir Francis Hopkins of Athboy | | Article in Journal | | 1971 |
| An unholy alliance: the secret IRA-Soviet agreement, 1925. | Mahon, Tom | Article in Journal | | 2009 |
| Anglo-Scottish relations in the Later Middle Ages: The other side of the coin | Ditchburn, David | Article in Book | | 2016 |
| Anti-Irish intrigues at the Vatican | Woods, C. J. (Christopher John) | Article in Journal | | 1969 |
| Archbishop Clune's peace mission to Ireland, December 1920 | Crean, John Paul | Article in Book | | 2000 |
| Attempting to reconcile the red and the green | Quinn, Michael | Article in Journal | | 2017 |
| Austro-Hungarian honorary consulates in Munster 1845-1914 | Agstner, Rudolf | Article in Journal | | 2004 |
| Belgium | De Wiel, Jérome aan | Article in Book | | 2013 |
| Britain, Ireland and the Second World War | Wood, Ian S. | Monograph or Collective Volume | Edinburgh UP | 2010 |
| Bungling British diplomacy : notes on Irish, Cypriot, Egyptian and Indian history | Snoddy, Oliver | Article in Journal | | 1973 |
| Calendar of 'Irlande' vols. 1, 2 and 3 in the collection 'Europe' 1918-29, in the Archives Diplomatiques, Paris | Tierney, Mark | Article in Journal | | 1979 |
| Calendar of volume 13 of the "Fondo di Vienna" in propaganda archives : part 2, ff. 201-401 | Millett, Benignus | Article in Journal | | 1983 |
| Calendar of volume 13 of the "Fondo di Vienna" in propaganda archives : part 3, ff. 402-522 | Millett, Benignus | Article in Journal | | 1984 |
| Canada and Ireland : a political and diplomatic history | Currie, Philip J. | Monograph or Collective Volume | UBC Press | 2020 |
| Case Study – ‘This Great Institution for Peace’: How Ireland joined the League of Nations in 1923 | Kennedy, Michael (Michael J.) | Article in Book | Cork University Press | 2024 |
| Casement, the flawed hero | Sawyer, R. | Monograph or Collective Volume | Routledge & Kegan Paul | 1984 |
| Castlereagh | Bartlett, Christopher John | Monograph or Collective Volume | Macmillan | 1966 |
| Castlereagh : enlightened conservative | Bew, John | Article in Journal | | 2011 |
| Catholic participation in the diplomacy of the Southern Confederacy | Stock, Leo Francis | Article in Journal | | 1930 |
| Catholic reformation in Ireland : the mission of Rinuccini, 1645-49 | Ó hAnnracháin, Tadhg | Monograph or Collective Volume | Oxford University Press | 2002 |
| Charles I and the confederation of Kilkenny, 1643-9 | Lowe, John | Article in Journal | | 1964 |
| Chicanery and candour : the Irish Free State and the Geneva Protocol, 1924-5 | Kennedy, Michael (Michael J.) | Article in Journal | | 1995 |
| Christopher St Lawrence, ninth baron of Howth : conspirator and informer | McGowan-Doyle, Valerie | Article in Book | | 2010 |
| Clérigos Irlandeses en la corte de Madrid | García Hernán, Enrique | Article in Book | | 2008 |
| Cloak without dagger : Dr Thomas Hussey, 1746-1803 | Murphy, Martin | Article in Journal | | 1988 |
| Con Cremin and Irish foreign policy, 1935-1958 | Keogh, Niall Enda | Thesis | | 2003 |
| Con Cremin, Berlin and 'Die Billige Gesandtschaft' | Keogh, Niall | Article in Book | | 2004 |
| Confederate secret agent in Ireland : Father John B. Bannon and his Irish mission, 1863-1864 | Tucker, Philip C. | Article in Journal | | 1990 |
| Confronting globalisation : the quest for a social agenda | Auer, PeterBlanpain, Roger | Monograph or Collective Volume | Kluwer Law International | 2005 |
| Conor : a biography of Conor Cruise O'Brien | Akenson, Donald Harman | Monograph or Collective Volume | McGill-Queen's University Press | 1994 |
| Conor Cruise O'Brien : a Legon perspective | Kwapong, Alexander | Article in Book | | 1998 |
| Conor Cruise O'Brien and China | Yin, Xiao-huang | Article in Book | | 1998 |
| Consular and diplomatic relations between Ireland and Austria, Hungary | Agstner, Rudolf | Article in Book | | 2002 |
| Creating the template? Teflections on the first decade of Irish diplomacy and the United States | Keown, Gerard | Article in Journal | | 2015 |
| Cuntas Thaidhg Uí Chianáin ar imeacht na dTaoiseach as Éireann, 1607-08 | Ó Muraíle, Nollaig | Article in Book | NA | 2010 |
| D. Ricardo Wall. Luces y sombras de un ministro | Alarcia, Diego Téllez | Article in Journal | | 2004 |
| Daniel Binchy and the limits of cultural nationalism | Fanning, Bryan | Article in Journal | | 2013 |
| Daniel O'Daly, O.P., as an agent in sevententh-century diplomacy | Curtin, Benvenuta | Thesis | | 1963 |
| David Gray, the Aiken mission and Irish neutrality, 1940-41 | Raymond, Raymond James | Article in Journal | | 1985 |
| De Gaulle and de Valera : notes towards a comparison | Lee, J. J. (John Joseph), 1942- | Article in Book | | 2009 |
| De Gaulle in Ireland, 1969 | Kleinman, Sylvie | Monograph or Collective Volume | | 2019 |
| De Valera and Roosevelt : Irish and American diplomacy in times of crisis, 1932-1939 | Whelan, Bernadette | Monograph or Collective Volume | Cambridge University Press | 2021 |
| De Valera, Hitler & the visit of condolence May 1945 | Keogh, Dermot | Article in Journal | | 1997 |
| Deporting the Irish envoys : domestic and national security in 1920s Australia | Finnane, Mark | Article in Journal | | 2013 |
| Diplomatic relations between the Irish Republic and Soviet Russia, 1919-21 | Fitzgerald, Doireann | Article in Journal | | 1994 |
| Diplomats in Dublin : a series of prose portraits | Van Hoek, Kees | Monograph or Collective Volume | Talbot Press | 1944 |
| Dissensions & Alligantia. Diplomacia económica y comercio entre Inglaterra y los reinos ibéricos en los siglos XIV y XV | Miranda, Flávio | Article in Book | | 2022 |
| Documents on Irish foreign policy : vol. 4 : 1932-1936 | | Monograph or Collective Volume | Royal Irish Academy | 2004 |
| Documents on Irish foreign policy, vol. 1 : 1919-1922 | | Monograph or Collective Volume | Royal Irish Academy | 1998 |
| Documents on Irish foreign policy, vol. 10, 1951-1957 | NA | Monograph or Collective Volume | Royal Irish Academy | 2016 |
| Documents on Irish foreign policy, vol. 2 : 1923-1926 | | Monograph or Collective Volume | Royal Irish Academy | 2000 |
| Documents on Irish foreign policy, vol. 3 : 1926-1932 | | Monograph or Collective Volume | Royal Irish Academy | 2002 |
| Documents on Irish foreign policy, vol. 7 : 1941-1945 | | Monograph or Collective Volume | Royal Irish Academy | 2010 |
| Documents on Irish foreign policy, vol. XI, 1957-1961 | | Monograph or Collective Volume | Royal Irish Academy | 2018 |
| Documents on Irish foreign policy, vol. XII, 1961-1965 | NA | Monograph or Collective Volume | Royal Irish Academy | 2020 |
| Documents on Irish foreign policy, vol. XIII, 1965-1969 | NA | Monograph or Collective Volume | Royal Irish Academy | 2022 |
| Documents on Irish foreign policy, vol. XIV, 1969-1973 | NA | Monograph or Collective Volume | Royal Irish Academy | 2024 |
| Documents on Irish Foreign policy. vol. 5 : 1937-1939 | | Monograph or Collective Volume | Royal Irish Academy | 2006 |
| Documents on Irish foreign policy. vol. 6 : 1939-1941 | | Monograph or Collective Volume | Royal Irish Academy | 2008 |
| Dublin from Downing Street | Peck, John, Sir, 1913- | Monograph or Collective Volume | Gill & Macmillan | 1978 |
| Dublin's American policy : Irish-American diplomatic relations, 1945-1952 | Davis, Troy D. | Monograph or Collective Volume | Catholic University of America Press | 1998 |
| Early modern catholic self-fashioning : Tadhg Ó Cianáin, the Ulster earls and Santa Francesca Romana (1608) | Mac Craith, Mícheál | Article in Book | | 2010 |
| Early-modern Catholic self-fashioning 'Spanish style' : aspects of Tadhg Ó Cianáin's Rome | Mac Craith, Mícheál | Article in Book | | 2010 |
| Edward III’s bishops as his diplomats | Rosenthal, Joel | Article in Book | | 2016 |
| Éire san Aontas Eorpach | Dukes, Alan | Article in Journal | | 1994 |
| El comercio hispano-inglés desde la perspectiva de los diplomáticos de Mariana de Austria y Carlos II | Fernández-Nadal, Carmen María | Article in Book | | 2022 |
| El grupo irlandés bajo el ministerio Wall (1754-63) | Alarcia, Diego Téllez | Article in Book | | 2003 |
| El patrimonio documental en las relaciones entre Gran Bretaña e Irlanda y la Península Ibérica a lo largo de los siglos | | Monograph or Collective Volume | Peter Lang | 2022 |
| English Historical Documents. 12, pt. 2 : 1874-1914 | | Monograph or Collective Volume | | 1977 |
| English merchants and the Anglo-Flemish economic war of 1270-74 | Bowers, R. H. | Article in Book | | 1983 |
| Entre lo divino y lo humano : Irlanda en la estrategia general de los Austrias madrileños 1529-1700 | Recio Morales, Óscar | Article in Book | | 2008 |
| Envoy extraordinary : professor Smiddy of Cork | Sagarra, Eda | Monograph or Collective Volume | Institute of Public Administration | 2018 |
| Ethnicity, class, and Wilsonian internationalism reconsidered : the Mexican-American and Irish-American immigrant left and U.S. foreign relations, 1914-1922 | McKillen, Elizabeth | Article in Journal | | 2001 |
| Europe and the wider world | McAleese, Dermot | Article in Book | | 1998 |
| Exempt from the authority of the earl : the failure of the second-rank nobles of Tír Chonaill in post-flight County Donegal | McGettigan, Darren | Article in Book | | 2010 |
| Faith and patronage : the political career of Flaithrí Ó Maolchonaire, c.1560-1629 | Hazard, Benjamin | Monograph or Collective Volume | Irish Academic Press | 2009 |
| Field-Marshal Sir Henry Wilson : imperial soldier, political failure | Coulter, Mark | Article in Journal | | 2005 |
| Filibusters, Fenians and a contested neutrality: the Irish question and U.S. diplomacy, 1848-1871 | Sim, David | Article in Journal | | 2011 |
| First of the small nations : the beginnings of Irish foreign policy in the interwar years, 1919-1932 | Keown, Gerard | Monograph or Collective Volume | Oxford UP | 2016 |
| Flaithrí Ó Maol Chonaire agus an toradh ar na héilimh ar idirghabháil nua mhíleata in Eirinn, 1602--7 | Hazard, Benjamin | Article in Journal | | 2010 |
| Flight of fancy : journeying into the miraculous | Palmer, Patricia | Article in Book | | 2010 |
| Foreign affairs bibliography : a selected and annotated list of books on international relations, 1942-1952 | Roberts, Henry L. | Monograph or Collective Volume | Harrap | 1955 |
| Forest Perspectives "Finely furnished with trees". The ceremonial planting of the grounds of 'Áras an Uachtaráin' | Forrest, Mary | Article in Journal | | 2016 |
| France | Gillissen, Christophe | Article in Book | | 2013 |
| France and the Free State: Franko-Irish diplomacy, 1922-1931 | O'Connor, Priscilla Brigid | Thesis | | 1991 |
| French policy and Irish emigration, 1607 | Ó Ciosáin, Éamon | Article in Book | | 2010 |
| From backdoors and back lanes to Backchannels : reappraising British talks with the Provisional IRA, 1970-1974 | Craig, Tony | Article in Journal | | 2011 |
| From identity politics to identity change: Exogenous shocks, constitutional moments and the impact of Brexit on the island of Ireland | Todd, Jennifer | Article in Journal | | 2017 |
| From Irish Whig rebel to Bourbon diplomat : the life and career of Nathanial Hooke (1664-1738) | Byrne, Thomas | Thesis | | 2006 |
| From the embassy : a U.S. foreign policy primer | Dempsey, G. T. | Monograph or Collective Volume | Open Republic Institute | 2004 |
| Galileo Galilei, Robert Bellarmine and Peter Lombard | McMullin, Ernan | Article in Book | | 2010 |
| Glencairn | Burke, Thomas A. | Article in Journal | | 2020 |
| Guerra y regalismo a comienzos del reinado de Carlos III. El final del ministerio Wall | Téllez Alarcia, Diego, 1975- | Article in Journal | | 2001 |
| Hartlib, Dury and Comenius. Gleanings from Hartlib's papers | Turnbull, G. H. | Monograph or Collective Volume | | 1947 |
| Henry Bennet, Earl of Arlington, and his world : restoration court, politics and diplomacy | Dennehy, Coleman A.Eagles, Robin | Monograph or Collective Volume | Routledge | 2021 |
| Herr Hempel at the German Legation in Dublin, 1937-1945 | Duggan, John P. | Monograph or Collective Volume | Irish Academic Press | 2003 |
| His Excellency, His Eminence and the minister : Paul Cullen and channels of political communication during the first Gladstone administration, 1868-74 | Murphy, James H. | Article in Book | | 2011 |
| Homecoming | Mulcahy, John | Article in Journal | | 2017 |
| Ideas matter : introduction | English, Richard, 1963-Skelly, Joseph Morrison | Article in Book | | 1998 |
| Imirce na nUaisle Ultacha, 1607 | Ó Murchú, Marcas | Article in Book | | 2010 |
| In defence of conspiracy theories : with examples from Irish and international history and politics | Nugent, Brian | Monograph or Collective Volume | Brian Nugent | 2009 |
| Inside accounts, volume 1 : the Irish government and peace in Northern Ireland, from Sunningdale to the Good Friday Agreement / Interviews by Graham Spencer | Spencer, Graham | Monograph or Collective Volume | Manchester University Press | 2020 |
| Inside accounts, volume 2 : the Irish government and peace in Northern Ireland, from the Good Friday Agreement to the fall of Power-Sharing / Interviews by Graham Spencer | Spencer, Graham | Monograph or Collective Volume | Manchester University Press | 2020 |
| Intergovernmental relations between Britain, Ireland and Northern Ireland 1966-1974 | Craig, Tony | Thesis | | |
| Introduction | O'Driscoll, Mervyn | Article in Book | | 2013 |
| Introduction - historiography and autobiography | Keogh, Dermot | Article in Book | | 2004 |
| Introduction : Henry Bennet, Earl of Arlington, and his World: Restoration Court, Politics and Diplomacy | Dennehy, Coleman A.Eagles, Robin | Article in Book | | 2021 |
| Ireland .... and where does she stand? | Kelleher, John V., 1916-2004 | Article in Journal | | 1957 |
| Ireland 1949-73 : a closet member of the Commonwealth? | Wynne, Ben | Article in Journal | | 2020 |
| Ireland 60 years at the United Nations | Kennedy, Michael (Michael J.)O'Malley, Kate | Monograph or Collective Volume | NA | 2015 |
| Ireland and Europe, 1559-1607 | Silke, John J. | Monograph or Collective Volume | Dundalgan Press | 1966 |
| Ireland and South Africa : Irish government policy in the 1980s | Laffan, Brigid | Monograph or Collective Volume | Trócaire | 1988 |
| Ireland and Spain, 1939-55: Cultural, economic and political relations from neutrality in the Second World War to joint membership of the United Nations | Whelan, Barry | Thesis | | 2012 |
| Ireland and the 'Spanish question', 1945-50 | Mulvaney, Ronan | Article in Book | | 2008 |
| Ireland and the Corfu crisis, 1923 | Phelan, Mark
| Article in Journal | | 2017 |
| Ireland and the Council of Europe : from isolation towards integration | Kennedy, Michael (Michael J.) | Monograph or Collective Volume | [Council of Europe] | 2000 |
| Ireland and the growth of international governance | Laffan, BrigidO'Donnell, Rory | Article in Book | | 1998 |
| Ireland and the League of Nations, 1919-1946 : international relations, diplomacy and politics | Kennedy, Michael (Michael J.) | Monograph or Collective Volume | Irish Academic Press | 1996 |
| Ireland and the Spanish Empire, 1600-1825 | Recio Morales, Óscar | Monograph or Collective Volume | Four Courts | 2010 |
| Ireland at the UN : 40 years on | Dorr, Noel | Article in Journal | | 1996 |
| Ireland in international affairs | O'Brien, Conor Cruise, 1917-2008 | Article in Book | | 1969 |
| Ireland through European eyes : western Europe, the EEC and Ireland, 1945-1973 | De Wiel, Jérome aanKeogh, DermotO'Driscoll, Mervyn | Monograph or Collective Volume | Cork University Press | 2013 |
| Ireland's chairmanship of the OSCE - a mid-term review | Ó Beacháin, Donnacha | Article in Journal | | 2012 |
| Ireland's entry to the United Nations, 1946-56 | MacQueen, Norman | Article in Book | | 1983 |
| Ireland's first papal nuncio | Corish, Patrick J. | Article in Journal | | 1954 |
| Ireland's foreign relations in 1986 | Keatinge, Patrick | Article in Journal | | 1987 |
| Ireland's presidency of the United Nations Security Council in August 1982 | Ryan, Johnny | Article in Journal | | 2003 |
| Ireland's revolutionary diplomat: A biography of Leopold Kerney | Whelan, Barry | Monograph or Collective Volume | University of Notre Dame Press | 2019 |
| Ireland's role at the United Nations : seeking international order through middle power status in international organisations, 1955-69 | Manathunga, Catherine | Article in Book | | 1995 |
| Ireland, telecommunications and international politics, 1866-1922 | De Cogan, Donald | Article in Journal | | 1993 |
| Ireland, the Department of External Affairs, and the United Nations, 1946-55 : a new look | Skelly, Joseph Morrison | Article in Journal | | 1996 |
| Ireland, the United Nations and the Gulf conflict : legal aspects | Heffernan, LizWhelan, Anthony | Article in Journal | | 1991 |
| Ireland, the Vatican and the Cold War : the case of Italy, 1948 | Keogh, Dermot | Article in Journal | | 1991 |
| Ireland: a voice among the nations | Gibney, JohnKennedy, Michael (Michael J.)O'Malley, Kate | Monograph or Collective Volume | Royal Irish Academy | 2019 |
| Irish cuisine : Irish diplomatic dining | Mahon, Elaine | Article in Journal | | 2018 |
| Irish diplomacy in a time of crisis and the evolution of a 'European' Diplomatic Service | Tonra, Ben | Article in Journal | | 2017 |
| Irish diplomatic missions to Rome during the 1640s | Ó hAnnracháin, Tadhg | Article in Book | | 2006 |
| Irish foreign policy 1919 to 1973 | Kennedy, Michael (Michael J.) | Article in Book | NA | 2018 |
| Irish foreign policy, 1945-51 | Mansergh, Nicholas, 1910-1991 | Article in Book | | 1969 |
| Irish foreign policy, 1949-69 | Williams, T. Desmond | Article in Book | | 1979 |
| Irish Franciscan networks at home and aborad, 1607-1640 | O'Connor, Thomas | Article in Book | | 2010 |
| Irish neutrality in World War II | McAuliffe, Kevin | Article in Journal | | 1982 |
| Irish policy on the representation of China at the United Nations, 1957-9 | Dowling, Cathal | Article in Journal | | 1996 |
| Irish soldiers in South America, 1818-30 | Lambert, Eric | Article in Journal | | 1969 |
| Irish-American diplomatic relations, 1948-1963 | Fitzgerald, Maurice | Thesis | | 1997 |
| Irish-Soviet diplomatic and friendship relations, 1917-1991 | Quinn, Michael | Monograph or Collective Volume | Iontas Press | 2017 |
| Irish-Soviet diplomatic and friendship relations, 1919-80 | Quinn, Michael Joseph | Thesis | | 2014 |
| Italy and the Holy See | Keogh, AoifeKeogh, Dermot | Article in Book | | 2013 |
| Jacques II et l'expedition d'Irlande d'apres les depeches du Comte d'Avaux, ambassadeur extradorinaire de Louis XIV | Joannon, Pierre | Article in Journal | | 1993 |
| John Chartres : mystery man of the treaty | Murphy, Brian | Monograph or Collective Volume | Irish Academic Press | 1995 |
| John Michael Wright, An Account of His Excellence Roger Earl of Castlemaine's Embassy, from His Sacred Majesty James the IId King of England, Scotland, France and Ireland & to His Holiness Innocent IX | Crobett, Margery | Article in Journal | | 1990 |
| Joseph Walshe and the management of Irish foreign policy, 1922-1946: a study in diplomatic and administrative history | Nolan, Aengus | Thesis | | 1997 |
| L'affaire Stokes | Cambier, René | Article in Journal | | 1952 |
| L'entente européenne | Tonra, Ben | Article in Book | | 2009 |
| L'évolution de la politique extérieure de l'Irlande 1922-1986 | FitzGerald, Garret | Article in Journal | | 1986 |
| L'Irlande, la France et l'Europe en 1689-90 : les négociations de M. le comte d'Avaux en Irlande | Boulaire, François | Article in Journal | | 2001 |
| La communità irlandese a Roma, 1377-1870. Il case-study storiografico | Binasco, Matteo | Article in Journal | | 2013 |
| La cuestión irlandesa en la correspondencia del conde de Gondomar | Moreno Gallego, Valentín | Article in Book | | 2002 |
| La France et l'Irlande pendant la révolution | Guillon, Édouard | Monograph or Collective Volume | | 1888 |
| La misión secreta de D. Ricardo Wall en Londres (1747-1748) | Téllez Alarcia, Diego, 1975- | Article in Journal | | 2000 |
| La missione di Sir Kenelm Digby all corte di Innocenze X, 1645-1648 | Gabrieli, V. | Article in Book | | 1954 |
| La neutralité irlandaise aujourd’hui | Gillissen, Christophe | Article in Journal | | 1995 |
| La supuesta anglofilia de D. Ricardo Wall. Filias y fobias políticas durante el reinado de Fernando VI | Téllez Alarcia, Diego, 1975- | Article in Journal | | 2003 |
| Later relations between the Primate Peter Lombard and Hugh O'Neill | Silke, John J. | Article in Journal | | 1955 |
| Le Ménage à Trois : Les Relations Entre l'Irlande, l'Angleterre et la France (1660-1690) | Sturdy, D. J. | Article in Book | | 1990 |
| Locating women within the Irish Department of External Affairs : a case study of Irish women at the League of Nations and United Nations, 1923-76 | O'Brien, Ann Marie | Article in Journal | | 2019 |
| Lord Dufferin: a tennis-playing diplomat, administrator and statesman | Steven, Andrew | Article in Journal | | 2001 |
| Los irlandeses y la monarquía hispánica, 1529-1800 : vínculos en espacio y tiempo = The Irish and the Hispanic monarchy, 1529-1800 : connections in time and space | | Monograph or Collective Volume | Ministerio de Educación, Cultura y Deporte, Dirección General de Bellas Artes y Bienes Culturales y de Archivos y Bibliotecas, Subdirección General de los Archivos Estatales | 2012? |
| Louis XIV et l'Irlande | Pillorget, René | Article in Journal | | 1992 |
| Luke Wadding and Irish diplomatic activity in seventeenth-century Rome | Binasco, Matteo | Article in Journal | | 2016 |
| Luxembourg | De Wiel, Jérome aan | Article in Book | | 2013 |
| L’Irlande et son alliance méditerranéenne à l’ONU | Gillissen, Christophe | Article in Journal | | 1995 |
| MacCartney in Russia | Roberts, Michael, 1908- | Article in Journal | | 1974 |
| Marketing the Free State in Britain [Irish posters for the Empire Marketing Board (EMB] | Shortall, Billy | Article in Journal | | 2020 |
| Martin Mansergh : a biography | Rafter, Kevin | Monograph or Collective Volume | New Island | 2002 |
| Matthew McCloskey, builder | Hasson, Seamus | Article in Journal | | 1984 |
| Meeting Salazar: Irish dignitaries and diplomats in Portugal, 1942-1960 | | Article in Journal | | 2011 |
| Memoirs of a wild goose | Bewley, CharlesDuggan, John P.McCormack, W. J. | Monograph or Collective Volume | Lilliput Press | 1989 |
| 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 |
| Michael MacWhite’s memoirs of the Sinn Féin delegation in France, 1919-21 | Gibney, John | Article in Journal | | 2019 |
| Monsignor O'Riordan, Bishop O'Dwyer and the shaping of new relations between nationalist Ireland and the Vatican during World War I | De Wiel, Jérôme aan | Article in Journal | | 1999 |
| More pages from an Irish memoir | Lynch, Patrick, 1917-2001 | Article in Book | | 1998 |
| Mr Bewley in Berlin : aspects of the career of an Irish diplomat, 1933-1939 | Roth, Andreas | Monograph or Collective Volume | Four Courts | 2000 |
| Mr Whitaker and Northern Ireland policy from 1959 to 1972 | McCann, David | Article in Journal | | 2012 |
| Nathaniel Hooke (1664-1738) and the French embassy to Saxony, 1711-12 | Byrne, Thomas | Article in Book | | 2006 |
| No solution : British government policy in Northern Ireland under Labour 1974-79 | Aveyard, Stuart C. | Thesis | | |
| No way out : the Irish in wartime France, 1939-1945 | Ryan, Isadore | Monograph or Collective Volume | Mercier | 2017 |
| Northern Ireland : a triumph of politics : interviews and analysis 1988 - 2008 | Millar, Frank I. | Monograph or Collective Volume | Irish Academic Press | 2009 |
| Nostra vulgari lingua : Scots as a European language 1500-1700 | Horsbroch, Dauvit | Article in Journal | | 1999 |
| Obituary of Norah Fahie, Chevalier de l'Ordre des Palmes Academiques of 47 Ailesbury Road, Dublin 4 | Anonymous | Article in Journal | | 1996 |
| Oliver Cromwell's Policy toward the English Catholics : The Appraisal by Diplomats, 1654-1658 | Loomie, Albert Joseph | Article in Journal | | 2004 |
| On an equal footing with all: Ireland at the League of Nations 1923 - 1946 | Gibney, JohnKennedy, Michael (Michael J.)Reid, Zoë | Monograph or Collective Volume | Royal Irish Academy | 2023 |
| One bold deed of open treason : the Berlin diary of Roger Casement, 1914-1916 | | Monograph or Collective Volume | Merrion Press | 2016 |
| Our man in Rome : Peter Lombard, agent of the University of Louvain, at the grand theatre of European politics, 1598-1612 | Boute, Bruno | Article in Book | | 2010 |
| Our man in the Vatican | O'Brien, Martin | Article in Journal | | 2011 |
| Our men in Berlin : some thoughts on Irish diplomats in Germany 1929-39 | Kennedy, Michael (Michael J.) | Article in Journal | | 1999 |
| Out of the ghetto : Irish foreign policy since the fifties | McSweeney, Bill | Article in Journal | | 1986 |
| Paint and politics - an 'unhealthy intersection. The fate of Sir John Lavery's 'Irish history paintings' exhibited at the Irish Race Congress in Paris in January 1922 | Shortall, Billy | Article in Journal | | 2022 |
| Patrick Egan : Irish-American minister to Chile, 1889-93 | Goldberg, Joyce S. | Article in Journal | | 1979 |
| Polish views of Seán Lester as high commissioner of the League of Nations in Danzig, 1934-1937 | McNamara, Paul Martin | Thesis | | 2007 |
| Post-war Anglo-Irish relations : an analysis of the newspaper reportage of broadcasts by Winston Churchill and Éamon De Valera in May 1945 | Ishikawa, Hanako | Article in Journal | | 2024 |
| President Woodrow Wilson and the Irish question | Hopkinson, Michael | Article in Journal | | 1993 |
| Private correspondence of Chesterfield and Newcastle, 1744-1746; Pt.1 Chesterfield at the Hague; Pt.2 Chesterfield at Dublin | | Monograph or Collective Volume | | 1930 |
| Professor Smiddy and the development of the Irish Diplomatic Service - Response to Professor Bernadette Whelan | Kennedy, Michael (Michael J.) | Article in Journal | | 2015 |
| Professor Timothy Smiddy's tenure as Irish Free State Minister to thr United States | Davis, Troy | Article in Journal | | 2015 |
| Protocol and international politics, 1928 : the Secretary of State goes to Ireland | Carroll, Francis M. | Article in Journal | | 1991 |
| Raoul d'Eu, connétable de France et seigneur anglais et irlandais | Lebailly, Emilie | Article in Book | | 2003 |
| Rebels or revolutionaries? Irish-American nationalism and American diplomacy, 1865-1885 | Sewell, M. J. | Article in Journal | | 1986 |
| Recognition of the Irish Free State, 1924: The diplomatic context to the appointment of Timothy Smiddy as the first Irish Minister to the U.S. | Whelan, Bernadette | Article in Journal | | 2015 |
| Reds and the green : Ireland, Russia and the communist internationals, 1919-43 | O'Connor, Emmet | Monograph or Collective Volume | University College Dublin | 2004 |
| Reflections at an anniversary : celebrating 75 years of diplomatic relations between Ireland and the Holy See | | Monograph or Collective Volume | Pontifical Irish College | 2005 |
| Representing exiled royalists to the Spanish : the Irish courtiers of the exiled Caroline Stuart court and the Spanish alliance of 1656-1660 | Cronin, John J. (John Jeremiah), 1971- | Article in Book | | 2010 |
| Review article : Irish diplomatic history in the twenty-first century | O'Sullivan, Kevin | Article in Journal | | 2010 |
| Review article : the historian as writer or critic? Conor Cruise O’Brien and his biographers | McCormack, W. J. | Article in Journal | | 1996 |
| Review article. 'The Emergency, neutrality and the Second World War' | Girvin, Brian | Article in Journal | | 2007 |
| Review article: Early modern Ireland and Europe | Cunningham, Bernadette | Article in Journal | | 2009 |
| Ricardo Wall vs George Anson. El final del 'Lago espanol' y el enfrentamiento colonial hispano-británico (1740-1762) | Téllez Alarcia, Diego, 1975- | Article in Journal | | 2005 |
| Richard Plantagenet (1411-60), duke of York, as the king's lieutenant in France and Ireland | Pugh, T. B. | Article in Book | | 1986 |
| Richard Stanihurst (1547-1618): Dublin's earliest historian | Lennon, Colm | Article in Journal | | 2020 |
| Robert Hart and Gustav Detring during the Boxer Rebellion | Van de Ven, Hans | Article in Journal | | 2006 |
| Roger Casement : the evolution of an enemy of the empire - I | Mitchell, Angus | Article in Book | | 2007 |
| Roger Casement in the Congo : reactions in Belgium | Marshal, Jules | Article in Book | | 2005 |
| Roger Casement's Putumayo investigation | Hemming, John | Article in Book | | 2005 |
| Roger Casement: imperialist, rebel, revolutionary | Ó Síocháin, Séamus | Monograph or Collective Volume | Lilliput | 2003 |
| S. Stefano al Monte Celio, Donnchad mac Briain and papal legates in Ireland, 1064-1203 | Harrington, Jesse P. | Article in Journal | | 2024 |
| Sacco and Vanzetti : Mary Donovan and transatlantic radicalism in the 1920s | Whelehan, Niall | Article in Journal | | 2020 |
| Scottish-Irish governmental relations, 1660-90 | Ferguson, William Alexander Stewart | Thesis | | |
| Screening fascism in the Free State : Italian propaganda films and diplomacy in Ireland, 1934–1940 | Ercole, Pierluigi | Article in Journal | | 2014 |
| Sean Lester, Poland and the Nazi takeover of Danzig | McNamara, Paul | Monograph or Collective Volume | Irish Academic Press | 2009 |
| Seán Lester: Journalist, revolutionary, diplomat, statesman | Keown, Gerard | Article in Journal | | 2012 |
| Seeking the General's granny | Hayes, Maurice | Article in Book | | 2009 |
| Sir Gustavus Hume (1677-1731): courtly connections and architectural connoisseurship in the early eighteenth century | Hayes, Melanie | Article in Journal | | 2016 |
| Sir Nicholas O'Conor - a world figure | Evans, J.A. | Article in Journal | | 1994 |
| Sir Richard Bellings, a Catholic courtier and diplomat from seventeenth-century Ireland | Barnard, T. C. (Toby Christopher) | Article in Book | | 2011 |
| Small states, large neighbours : Ireland and the United Kingdom | Fanning, Ronan | Article in Journal | | 1998 |
| Some British diplomats, some grand tourists and some students from Great Britain and Ireland in Turin in the eighteenth century | Wynne, Michael | Article in Journal | | 1996 |
| Some prominenet residents of Old Stillorgan | Rochford, Paddy | Article in Journal | | 2007 |
| Special privileges for the Irish in the kingdom of Castile (1601-1680) : modern myth or contemporary reality? | O'Scea, Ciaran | Article in Book | | 2010 |
| Sport, Empire and diplomacy : "Ireland" at the 1930 British Empire games | Liston, KatieMaguire, Joseph A. | Article in Journal | | 2016 |
| State formation, diplomacy and sport : the British Empire Games, Ireland and Northern Ireland, 1930-38 | Liston, Katie ; Maguire, Joseph | Article in Journal | | 2024 |
| Staying neutral : John Cudahy in Ireland | Maga, Timothy P. | Article in Journal | | 1984 |
| Stewartstown and the Flight of the Earls | Fee, Aidan | Article in Journal | | 2007 |
| Strained relations : Ireland at peace and the U.S.A. at war, 1941-1945 | Dwyer, T. Ryle | Monograph or Collective Volume | Gill & Macmillan | 1988 |
| Taking the troubles across the Atlantic : Ireland's UN initiatives and Irish-US diplomatic relations in the early years of the conflict in Northern Ireland, 1969-1972 | Williamson, Daniel | Article in Journal | | 2007 |
| Talking to the enemy? The role of the back-channel in the development of the northern Ireland peace process | O'Kane, Eamonn | Article in Journal | | 2015 |
| The 1941 mission of Frank Aiken to the United States : an American perspective | Rosenberg, Joseph L. | Article in Journal | | 1980 |
| The 1974-5 threat of British withdrawal from Northern Ireland | FitzGerald, Garret | Article in Journal | | 2006 |
| The accidental diplomat : my years in the Irish Foreign Service, 1987-1995 | Delaney, Eamon | Monograph or Collective Volume | New Island | 2001 |
| The age of the democratic revolution : a political history of Europe and America, 1760-1800. 2 vols., 1 : The Challenge; 2 : The Struggle. | Palmer, R. R. | Monograph or Collective Volume | | 1961 |
| The Cabinet Office and the renegotiation of Britain's terms of entry into the EEC, 1974-5 | Collins, Aoife | Thesis | | 2008 |
| The Catholic church and the campaign for emancipation in Ireland and England | Macaulay, Ambrose | Monograph or Collective Volume | Four Courts Press | 2016 |
| The challenge of multilateralism : the Marshall Plan and the expansion of the Irish diplomatic service | Marshall, Michael | Article in Book | | 2004 |
| The clandestine correspondence of Father Patrick Crelly, 1648-9 | Casway, Jerrold | Article in Journal | | 1978 |
| The Commission, the Council and the Irish application for the EEC, 1961-73 | De Wiel, Jérome aan | Article in Book | | 2013 |
| The Congo (ONUC) : the political perspective | O'Brien, Conor Cruise, 1917-2008 | Article in Journal | | 1996 |
| The consecration of expediency : the wartime neutrality of Ireland | Rosenberg, Joseph L. | Article in Journal | | 1979 |
| The culture of diplomacy : Britain in Europe, c.1750-1830 | Mori, Jennifer | Monograph or Collective Volume | Manchester University Press | 2010 |
| The Dáil cabinet's mission to Belfast November 1921 to January 1922 | Clancy, Julitta | Article in Journal | | 2021 |
| The diplomacy of "dignified calm" : an analysis of Ireland's application for membership of the EEC, 1961-1963 | Keogh, Dermot | Article in Journal | | 1997 |
| The diplomacy of art : Irish, Spanish and Latin American artwork in a historic building of Geneva | Murray, Edmundo | Article in Journal | | 2019 |
| The diplomatic career of Captain James Jefferyes, Blarney Castle | Mulcahy, J. | Article in Journal | | 2002 |
| The earl of Arlington and restoration Ireland | Dennehy, Coleman A. | Article in Book | | 2021 |
| The early writings of Conor Cruise O'Brien | | Monograph or Collective Volume | Academica Press | 2001 |
| The early years of American consular representation in Belfast | Chambers, George | Article in Journal | | 1996 |
| The embassy in Ireland of Monsignor G. B. Rinuccini, Archbishop of Fermo, in the years 1645-49 | Lenihan, Maurice | Article in Journal | | 1883 |
| The evolution of Irish disarmament intiatives at the United Nations, 1957-1961 | Manathunga, Catherine | Article in Journal | | 1996 |
| The eyes of another race : Roger Casement's Congo report and 1903 diary | Casement, Roger DavidO'Sullivan, Michael, 1962-2002Ó Síocháin, Séamus | Monograph or Collective Volume | University College Dublin | 2003 |
| The Flight of the Earls : Imeacht na nIarlaí | | Monograph or Collective Volume | Guildhall | 2010 |
| The flight of the earls and the origins of modern diasporas | Fitzgerald, Patrick | Article in Book | | 2010 |
| The flight of the earls in British-Spanish diplomacy | Lennon, Colm | Article in Book | | 2010 |
| The flight of the earls on-screen | Gibney, John | Article in Book | | 2010 |
| The formative years of the Irish diplomatic service | Keatinge, Patrick | Article in Journal | | 1971 |
| The formulation of Irish foreign policy | Keatinge, Patrick | Monograph or Collective Volume | Institute of Public Administration | 1973 |
| The formulation of Irish foreign policy, 1921-65 | Keatinge, Neil Patrick | Thesis | | 1968 |
| The French legation in Dublin in comparative perspective, 1939-45 | Harrison, Alice,O'Halpin, Eunan, | Article in Book | | 2009 |
| The greening of the White House : the inside story of how America tried to bring peace to Ireland | O'Cleary, Conor | Monograph or Collective Volume | Gill & Macmillan | 1996 |
| The guardian of Donegal Friary [Sean MacGrath] appeals to Philip II of Spain, 1596 | Millett, Benignus | Article in Journal | | 1985 |
| The historical significance of President Kennedy's visit to Ireland in June 1963 | Ellis, Sylvia A. | Article in Journal | | 2008 |
| The Holy See and Ireland, 1780-1802 | O'Donoghue, P. | Article in Journal | | 1976 |
| The Ideal Diplomat? Women and Irish Foreign Affairs, 1946-90 | | Monograph or Collective Volume | Four Courts | 2020 |
| The impossible diplomatic mission of Giovanni Battista Rinuccini 1645-1649 | O'Sullivan, T. F. | Article in Journal | | 1993 |
| The international civil servant : the League of Nations career of Seán Lester, 1929-46 | Barcroft, Stephen Ashworth | Thesis | | 1973 |
| The Irish Free State diplomatic service, 1922-1937 | Duggan, John P. | Monograph or Collective Volume | Irish Academic Press | 1994 |
| The Irish Free State's first diplomats : jealousy, anti-semitism and revenge | Kelly, Darren | Article in Journal | | 2016 |
| The Irish Peter Lombard | Silke, John J. | Article in Journal | | 1975 |
| The Irish-Portuguese trade dispute, 1770-90 | Lammey, David | Article in Journal | | 1986 |
| The last secretary general : Sean Lester and the League of Nations | Gageby, Douglas | Monograph or Collective Volume | Townhouse | 1999 |
| The Legate Otto in Scotland and Ireland, 1237-40 | Williamson, D. M. | Article in Journal | | 1949 |
| The Letters of Denis Devlin | Bennet, Sarah | Monograph or Collective Volume | Cork University | 2020 |
| The letters of Sir John Hackett, 1526-34 | | Monograph or Collective Volume | | 1971 |
| The lives of Daniel Binchy | Garvin, Tom | Monograph or Collective Volume | Irish Academic Press | 2016 |
| The Long War and its aftermath, 1969-2007 | Arthur, Paul | Article in Book | | 2014 |
| The making of an Irish nuncio. The early career of Paschal Robinson OFM, the first papal nuncio the the Irish Free State, 1929-1948 | Morrissey, Thomas J. | Article in Journal | | 2019 |
| The mysterious Mr. Digges | Parsons, Lynn Hudson | Article in Journal | | 1965 |
| The negotiations between Charles I and the Confederation of Kilkenny, 1642-1649 | Lowe, John | Thesis | | |
| The Netherlands | De Wiel, Jérome aan | Article in Book | | 2013 |
| The Origins of the Irish Foreign Service in Europe (1919-1922) | Keogh, Dermot | Article in Journal | | 1982 |
| The plight of the earls : Tyrone and Tyrconnell's 'Grievances' and Crown coercion in Ulster, 1603-7 | Edwards, David, 1963- | Article in Book | | 2010 |
| The politics of cordiality: continuity and change in Irish-American diplomacy during the Johnson presidency, 1963-9 | Loftus, Paul | Article in Journal | | 2009 |
| The Pope's Irish Battalion, 1860 | Doyle, Robert | Article in Journal | | 2010 |
| The pope, the prelate, the soldiers and the controversy : Paul Cullen and the Irish Papal Brigade | O'Connor, Anne | Article in Book | | 2011 |
| The purchase of the Irish embassy in Paris, 1954 | Gaughan, J. Anthony, 1932- | Article in Book | | 2007 |
| The revolutionary aims of Ireland's forgotten diplomats, 1919-1922 | O'Brien, Ann Marie | Article in Journal | | 2020 |
| The same age as the state | Mhac an tSaoi, Máire | Monograph or Collective Volume | O'Brien Press | 2003 |
| The secret diplomacy of England | Casement, Roger David | Article in Book | | 2000 |
| The special relationships: Ireland, the United States and Great Britain and the political legacy of Irish neutrality, 1939-1996 | Hickey, Julie | Thesis | | 1998 |
| The Stauntons of Galway in China : Irish Catholic networks and the expansion of the British Empire in Asia | Harrison, Henrietta | Article in Journal | | 2024 |
| The strange letters of Mathew O'Hartegan, S.J., 1644-45 | Morrissey, Thomas J. | Article in Journal | | 1970 |
| The tortuous path : the course of Ireland's entry into the EEC, 1948-73 | Maher, D. J. | Monograph or Collective Volume | Institute of Public Administration | 1986 |
| The travels of Roger of Howden and his views of the Irish, Scots and Welsh | Gillingham, John | Article in Book | | 2000 |
| The Truce and preliminary negotiations between De Valera and Lloyd George | Connell, Joseph E.A. | Article in Journal | | 2021 |
| The United Irishman as diplomat | Elliott, Marianne | Article in Book | | 1985 |
| The United States government and the Irish : a bibliographical study of research materials in the U.S. National Archives | Calkin, H. L. | Article in Journal | | 1954 |
| The view from Scotland : the Scottish context to the flight of the earls | Cathcart, Alison | Article in Book | | 2010 |
| The web of empire : English cosmopolitans in an age of expansion, 1560-1660 | Games, Alison, 1963- | Monograph or Collective Volume | Oxford University Press | 2008 |
| The world in Paris and Ireland too : The French diplomacy of Sinn Féin, 1919-1921 | Ranger, Pierre | Article in Journal | | 2011 |
| The younger Pitt. Vol. 2 : The reluctant transition | Ehrman, John | Monograph or Collective Volume | | 1983 |
| The younger Pitt. Vol. 3 : The consuming struggle | Ehrman, John | Monograph or Collective Volume | Constable | 1996 |
| Through Kerry, Cork and Limerick with Rinuccini | Walsh, T. J. (Thomas Joseph) | Article in Journal | | 1963 |
| Travels for my country | Breene, Molly, 1919- | Monograph or Collective Volume | Dales | 2006 |
| Un interesse reciproco : lo scambio di rappresentanze diplomatiche tra Santa Sede e Irish Free State | Di Sanzo, Donato | Article in Journal | | 2016 |
| Una repubblica nel Commonwealth : le relazioni diplomatiche tra la Gran Bretagna e lo Stato Libero d'Irlanda dal 1932 al 1938 | Michelucci, Riccardo | Article in Journal | | 1997 |
| United kingdoms : multinational union states in Europe and beyond, 1800-1925 | Jackson, Alvin | Monograph or Collective Volume | Oxford University Press | 2023 |
| Vatican diplomacy and the mission of Rinuccini to Ireland | Ó hAnnracháin, Tadhg | Article in Journal | | 1993 |
| Waclaw Tadeusz Dobrzynski - the man who got Douglas Hyde into trouble | Cantwell, IanSekowska-Moroney, Nicola | Article in Journal | | 2017 |
| West Germany | O'Driscoll, Mervyn | Article in Book | | 2013 |
| What if the earls had landed in Spain? The flight's Spanish context | Recio Morales, Óscar | Article in Book | | 2010 |
| What ‘special relationship'? How the state department's intervention in Northern Ireland 2003–2007 strained the Anglo-American alliance | Hargy, Richard | Article in Journal | | 2023 |
| Who did Al-Ghazál meet? An exchange of embassies between the Arabs from Al-Andalus and the Vikings | Pons-Sanz, Sara M. | Article in Journal | | 2004 |
| Why did the earl of Tyrone join the flight? | Finnegan, David | Article in Book | | 2010 |
| Williamite peace tactics, 1690-1 | Simms, J. G. (John Gerald) | Article in Journal | | 1952 |
| Wine, genealogy and cross-dressing | O'Halloran, Seán | Article in Journal | | 2018 |
| Winners and losers : Bishop George Montgomery and Sir Cathair O'Doherty | Jefferies, Henry A. | Article in Book | | 2010 |
| ‘A failed political entity’ : Charles Haughey and the Northern Ireland question | Kelly, Stephen | Monograph or Collective Volume | Merrion Press | 2016 |
| ‘A powerful Hibernese’ : Luke Wadding and his diplomatic role in seventeenth-century Rome | Binasco, Matteo | Article in Journal | | 2017 |
| ‘Sinn Féin permits ... in the heels of their shoes’ : Cumann na mBan emigrants and transatlantic revolutionary exchange | Aiken, Síobhra | Article in Journal | | 2020 |