| "An Auncient Castle and Great Fortifications called Belanafadd" | Timoney, Martin A. | Article in Journal | | 2022 |
| "No blast or shock" : the test of the "Bee Hive" shelter | Scannell, James | Article in Journal | | 1999 |
| 'A noble pile in the late Tudor style' : Mitchelstown Castle | O'Dwyer, Frederick | Article in Journal | | 2001 |
| 'But you are the first to build a tower' - the Bermingham Tower, Dublin Castle | Manniin, Conleth | Article in Journal | | 2018 |
| 'Don't let it get you down, its only castles burning' : an history of the fortifications of Dungannon | Chapple, Robert M. | Article in Journal | | 2007 |
| 'The Grand Question debated': Jonathan Swift, army barracks, parliamenand money | McGrath, Charles Ivar | Article in Journal | | 2016 |
| 100th Anniversary of the Handover of Dublin Castle 16.01.2022: Comóradh 100 Bliain ó Tugadh Caisleán Bhaile Átha Cliath ar Iáimh | No Author | Monograph or Collective Volume | Department of the Taoiseach | 2022 |
| 17th-century artillery forts in Ulster | Gowen, Margaret | Article in Journal | | 1980 |
| A bastioned fort on Coney Island, Co. Sligo | Timonay, Martin A. | Article in Journal | | 2018 |
| A cashel plotted on map in 1803 | 'An Coimeádaí' | Article in Journal | | 1994 |
| A few well-positioned castles : the Norman art of war | Prior, Stuart | Monograph or Collective Volume | Tempus | 2006 |
| A Field Guide to the Buildings of Ireland : illustrating the smaller buildings of town and countryside | Rothery, Sean | Monograph or Collective Volume | Lilliput | 1997 |
| A guide to Carrickfergus castle | Jope, E. M. | Monograph or Collective Volume | | 1957 |
| A guide to Dunluce castle, Co. Antrim | Anonymous | Monograph or Collective Volume | | 1966 |
| A lost castle in Newry | Cunningham, Noreen | Article in Book | | 2010 |
| A lost landscape : the Geraldine castles and tower houses of the Shannon Estuary | Mac Curtain, Margaret | Article in Book | | 2019 |
| A map of Mottes in the British Isles | McNeill, T. E.Pringle, M. | Article in Journal | | 1997 |
| A new document in the Public Record Office : defensive houses in medieval towns | Jope, E. M.Seaby, W. A. | Article in Journal | | 1959 |
| A plan for the defence of Cork, 1740 | Buckley, James | Article in Journal | | 1935 |
| A promontory fort with 'chevaux de frise' at Treanbeg, Co. Mayo | Redmond, Markus | Article in Journal | | 2002 |
| A rath in Seacashtownland, county Antrim | Lynn, C. J. | Article in Journal | | 1978 |
| A Romanesque arch and fort at Wicklow | Hickey, Helen M. | Article in Journal | | 1972 |
| A sketch-map of Castlebar 27th August 1798 | McGuffie, T. H. | Article in Journal | | 1948 |
| A square fort at Ballyruane, near Arklow | Anonymous | Article in Journal | | 1941 |
| A summary of the archaeology of Ulster, 2 | Davies, Oliver | Article in Journal | | 1949 |
| A survey of the promontory forts of the Kerry peninsulas | Redmond, Markus | Article in Journal | | 1995 |
| A tentative chronology for tower houses in west Cork | Samuel, Mark | Article in Journal | | 1998 |
| A trip through the history of Dalkey Island | Curran, Peadar | Article in Journal | | 2023 |
| Adare Castle : raising bridges and raising questions | Dunne, Laurence R. | Article in Book | | 2007 |
| An 18th century redoubt in county Donegal | MacDonagh, J. C. T. | Article in Journal | | 1953 |
| An ancient Norman-French poem on the erection of the walls of New Ross in Ireland, A.D. 1265 | Madden, Frederic, Sir, 1801-1873 | Article in Journal | | 1829 |
| An archaeological survey of Elizabeth Fort, a seventeenth century artillery fortification in Cork city | Rynne, Colin | Article in Journal | | 2004 |
| An architectural enigma | Harbison, Peter | Article in Journal | | 2006 |
| An architectural history of Gaelic castles and settlements, 1370-1600 | Loeber, Rolf | Article in Book | | 2001 |
| An eighteenth-century inventory of Belturbet military barracks | Scott, Brendan | Article in Journal | | 2016 |
| An excavation at the Inner Ward, Carrickfergus Castle, county Antrim | MacDonald, PhilipMurray, EmilySloan, BrianWelsh, HenryÓ Baoill, Ruairí | Article in Journal | | 2014 |
| An excavationat the battlements of the Great Tower, Carrickfergus Castle, county Antrim | McSparron, CormacWelsh, Henry | Article in Journal | | 2014 |
| An investigation of the town wall at Abbey Street, Wexford | Cahill, MaryRyan, Michael | Article in Journal | | 1980 |
| Anglo-Norman change and continuity : the castle of Telach Cail in Delbna | Flanagan, Marie Therese | Article in Journal | | 1993 |
| Anglo-Norman ringwork castles : some evidence | Barry, Terence B. | Article in Book | | 1983 |
| Anti-invasion defences of Scotland, Wales and Northern Ireland, 1939-1945 : Insights and issues | Redfern, Neil | Article in Journal | | 1999 |
| Archaeological excavation at Inishloughlin, county Antrim: identifying the Gaelic fort of 'Enishlanghen' | Brown, David M.McDonald, PhilipMcHugh, RonanMussen, Sapphire | Article in Journal | | 2012 |
| Archaeological excavation at Sligo Town Hall gate lodge, June 2002 | Halpin, Eoin | Article in Book | | 2002 |
| Archaeological Excavations at Dunbeg Promontory Fort, County Kerry, 1977 | Barry, Terence B. | Article in Journal | | 1981 |
| Archaeological Inventory of County Louth | Buckley, Victor M. | Monograph or Collective Volume | Stationery Office | 1986 |
| Archaeological investigations in the environs of a motte and bailey at Ballinaclogh Lower, near Timanhoe, co. Laois | King, H. A. | Article in Journal | | 1992 |
| Archaeological investigations of the seventeenth-century military landscape at Boom Hall, county Londonderry | McAlister, GraceMcDonald, Philip | Article in Journal | | 2012 |
| Archaeology of the Burren : prehistoric forts and dolmens in north Clare | Westropp, Thomas Johnston | Monograph or Collective Volume | Clasp Press | 1999 |
| Architecture and sculpture in Ireland, 1150-1350 | Stalley, Roger | Monograph or Collective Volume | Gill & Macmillan | 1971 |
| Aspects of early thirteenth century castles in Leinster | Sweetman, P. D. | Article in Journal | | 1992 |
| Athenry : medieval walled town past and present | | Monograph or Collective Volume | Galway County Council | 2014 |
| Athlunkard (Ath-an-Longphort) : a reassessment of the proposed Viking fortress in Fairyhill, County Clare | Gibbons, Michael | Article in Journal | | 2005 |
| Bagenal's Castle, Newry : an Elizabethan tower-house and cemetery | Buckley, LaureenDawkes, Giles | Article in Journal | | 2006 |
| Ballinagare Castle, Co. Roscommon | O'Conor, KieranWilliams, Jeremy | Article in Book | | 2015 |
| Ballintubber castle, Co. Roscommon Part I - 2 | Claffey, John A. | Article in Journal | | 1975 |
| Ballyshannon : its strategic importance in the wars in Connacht, 1550–1602 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1931 |
| Ballyshannon fort, Co. Kildare, 1642-1650 | Bryan, Dan | Article in Journal | | 1959 |
| Baltimore Castle : an 800 - year history | McCarthy, Bernie | Monograph or Collective Volume | Baltimore Castle Publications | 2012 |
| Barracks closures | Nagle, David | Article in Journal | | 2009 |
| Battles, boats & bones: archaeological discoveries in northern Ireland, 1987-2008 | | Monograph or Collective Volume | Northern Ireland Environment Agency | 2010 |
| Baymount Castle, Clontarf | Ruddy, Bernardine | Article in Journal | | 2006 |
| Beaches, fields and landing grounds | O'Neill, James | Article in Journal | | 2018 |
| Belfast Naturalists' Field Club Survey of Antiquities. Megaliths and Raths | Evans, E. E.Gaffikin, M. (Miss) | Article in Journal | | 1935 |
| Birth of a nation's symbol : the revival of Ireland's round towers | O'Reilly, Seán | Article in Journal | | 1999 |
| Black Cave, Islandmagee, County Antrim: an archaeological survey | Rutherford, GeorgeSpottiswoode, Roland | Article in Journal | | 2010 |
| Blossom Gate: a late medieval gatehouse | Costello, Eugene | Article in Journal | | 2011 |
| Brady's Castle, Thomastown, Co. Kilkenny : a 14th-century fortified town house | Bradley, John, 1954-2014Murtagh, Ben | Article in Book | | 2003 |
| British Castle Studies in the Late 20th and 21st Centuries | Speight, Sarah | Article in Journal | | 2004 |
| Buttevant's not-so-hidden history: the town's medieval defences revealed | Cotter, EamonnLong, PatriciaO'Connor, John | Article in Book | | 2016 |
| Cahercommaun : a stone fort in county Clare | Hencken, Hugh O'Neill | Monograph or Collective Volume | Royal Society of Antiquaries of Ireland | 1938 |
| Captain Sir William Augustus Smith 1751-1831 | Clements, W. H. | Article in Journal | | 2001 |
| Carlow Castle : medieval stronghold on the Barrow | Murphy, Margaret | Monograph or Collective Volume | Carlow Town Council | 2013 |
| Carrickfergus : the story of the walled castle and town | Ó Baoill, Ruairí | Monograph or Collective Volume | TSO Books | 2008 |
| Carrickfergus and the revolution in castle design c.1200 | Tietszch-Tyler, Daniel | Article in Book | | 2017 |
| Carrickfergus Castle, County Antrim | McNeill, T. E. | Monograph or Collective Volume | HMSO | 1981 |
| Carrickmines Castle: a modern perspective on medieval fortifications | Bolton, Jason | Article in Book | | 2016 |
| Carrickmines. Profile of a Pale Castle | Scudds, Colin | Article in Journal | | 2020 |
| Castle Amery | Hodkinson, Brian J. | Article in Book | | 2012 |
| Castlemore motte & bailey | Delaney, Cathleen | Article in Journal | | 2003 |
| Castles and fortification of county Offaly c.1500-1815 | Kerrigan, Paul M. | Article in Book | | 1998 |
| Castles and fortifications in Ireland 1485-1945 | Kerrigan, Paul M. | Monograph or Collective Volume | Collins | 1995 |
| Castles and fortifications of Britain and Ireland | Forde-Johnston, James | Monograph or Collective Volume | | 1977 |
| Castles and their place in Irish history | Leask, H. G. (Harold G.) | Article in Journal | | 1972 |
| Castles in Ireland : feudal power in a Gaelic world | McNeill, T. E. | Monograph or Collective Volume | Routledge | 1997 |
| Castles in medieval society : fortresses in England, France and Ireland in the central middle ages | Coulson, Charles | Monograph or Collective Volume | Oxford University Press | 2003 |
| Castles of Britain and Ireland : the ultimate reference book with over 1,350 gazetteer entries | Somerset Fry, Plantagenet | Monograph or Collective Volume | David & Charles | 1996 |
| Castles of Britain, 1 : England; 2 : Scotland; 3 : Wales and Northern Ireland | Hammond, Muriel | Monograph or Collective Volume | | 1963 |
| Castles of God : fortified religious buildings of the world | Harrison, Peter | Monograph or Collective Volume | Boydell Press | 2004 |
| Castles of Ireland. Photographs by George Mott | De Breffny, Brian | Monograph or Collective Volume | Thames & Hudson | 1977 |
| Castles of ward and the changing pattern of border conflict in Ireland | McNeill, T. E. | Article in Journal | | 1994 |
| Castles, town defences and artillery : fortifications in Britain and Ireland : a bibliography, vol. 2 | Kenyon, John R. | Monograph or Collective Volume | | 1983 |
| Castles, town defences and artillery fortifications in the United Kingdom and Ireland : a bibliography 1945-2006 | Kenyon, John R. | Monograph or Collective Volume | Shaun Tyas | 2008 |
| Celts in conflict : hillfort studies, 1927-77. An Inaugural lecture | Harding, Dennis William | Monograph or Collective Volume | | 1979 |
| Cerncastle : a fortified islet on the north-east coast of Co. Antrim | Johnson, David Newman | Article in Book | | 2003 |
| Changing direction : defensive planning in a post-conflict city | Cunningham, Tim | Article in Journal | | 2014 |
| Charlemont fort, Co. Armagh | Tohall, Patrick | Article in Journal | | 1958 |
| Charles Fort, Kinsale | Kerrigan, Paul M. | Article in Journal | | 1979 |
| Châteaux donjons et places-fortes : l'architecture militaire française | Ritter, Raymond | Monograph or Collective Volume | [s.n.] | 1953 |
| City walls and gateway at site of St Martin's Castle | Moore, Michael | Article in Journal | | 1983 |
| Clock Gate, Youghal, Co. Cork | Hajba, Anna-Maria | Article in Journal | | 2010 |
| Clogh Oughter Castle, Co. Cavan : archaeology, history and architecture | Manning, Conleth | Monograph or Collective Volume | Stationery Office | 2013 |
| Clonard North - out of its tree | Corlett, Christiaan | Article in Journal | | 2001 |
| Colonel W. Robertson's 'plans for the defence of the Irish coasts and foreign invasion and to prepare for security, taken occasionally in 1796, '97 & '98 | O'Connell, J. W. | Article in Journal | | 1998 |
| Connected communities : emerging narratives in the study of coastal promontory forts in the north-eastern Atlantic | Pollard, Edward ; Driver, Toby ; Corns, Anthony ; Henry, Sandra ; Shaw, Robert ; Shine, Linda ; Barker, Louise ; Davies, Sarah ; Robson, Patrick | Article in Book | | 2024 |
| Conservation of the Old Fort of Maryborough | McLoughlin, Richard | Article in Journal | | 2016 |
| Conservation works about to commence on Tullaherin Round Tower | Murray, Colm | Article in Journal | | 2003 |
| Contemporary estimate for repairing Limerick fortifications | Ó Lochlainn, Colm, 1892-1972 | Article in Journal | | 1941 |
| Contemporary maps as an aid to Irish history, 1593-1603 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Journal | | 1965 |
| Crannogs : Lake-dwellings of early Ireland | O'Sullivan, Aidan | Monograph or Collective Volume | Country House | 2000 |
| Crannogs in late medieval Gaelic Ireland, c.1350-c.1650 | O'Sullivan, Aidan | Article in Book | | 2001 |
| Creating borders in twelfth-century Ireland? Toirrdelbach Ua Conchobair's diversion of the River Suck | Connon, Anne,Shanahan, Brian | Article in Book | | 2012 |
| Cromwell's barrack : a commonwealth garrison fort on Inishbofin, Co. Galway | Walsh, P. | Article in Journal | | 1989 |
| Danalong, Co. Tyrone - the 'fort of the ships' | Young, G. V. C. | Article in Journal | | 2008 |
| Date, chronology and evolution of the county Wexford tower house | Jordan, A. J. | Article in Journal | | 1990 |
| Dating Irish castles | Sweetman, P. D. | Article in Journal | | 1992 |
| Defence forces barracks : Collins Barracks Cork | Anonymous | Article in Journal | | 2010 |
| Defence forces barracks : Custume Barracks | Anonymous | Article in Journal | | 2010 |
| Defences of Ireland : an illustrated history of castles and fortifications | Kerrigan, Paul | Monograph or Collective Volume | | 1989 |
| Defences of Ireland : an illustrated history of castles and fortifications, 1485-1945 | Kerrigan, Paul | Monograph or Collective Volume | | 1989 |
| Defending the north : the fortifications of Ulster, 1796-1956 | Clements, Bill | Monograph or Collective Volume | Colourpoint Books | 2003 |
| Derry's walls | Hippsley, Paul | Monograph or Collective Volume | Guildhall Press | 1988 |
| Derry, Docwra and Dunnalong | Logue, Paul | Article in Book | | 2015 |
| Descriptions of castles in Co. Limerick in late 16th and early 17th century rentals and surveys | Hodkinson, Brian J. | Article in Book | | 2012 |
| Discovering the O'Neill tower-house and Chichester's military fort at Castle Hill, Dungannon | Donnelly, Colm J.Logue, PaulMurray, Emily | Article in Book | | 2010 |
| Drogheda's forgotten walls and other stories | Reilly, Tom | Monograph or Collective Volume | Drogheda Civic Trust | 2015 |
| Dublin Castle : From Fortress to Palace. Volume 1: Vikings to Victorians. A history of Dublin Castle to 1850. | Duffy, Seán ; Montague, John ; Mulligan, Kevin ; O'Neill, Michael | Monograph or Collective Volume | National Monuments Service | 2022 |
| Dublin Castle: From Fortress to Palace: Volume 2 - The Viking-Age Archaeology | Lynch, AnnManning, ConlethWiggins, KenÓ hEochaidhe, Marcus | Monograph or Collective Volume | National Monuments Service|Wordwell Books | 2023 |
| Dublin city : walls and defences | Simpson, Linzi | Monograph or Collective Volume | Dublin City Council | 2006 |
| Dublin's forgotten fort | Mongey, Mick | Article in Journal | | 2018 |
| Dublin's north-eastern city wall : early reclamation and development at the Poddle-Liffey confluence | Burke, Nuala | Article in Journal | | 1974 |
| Dún an Óir 1580 : the potential for intact siege archaeology | Shiels, Damian | Article in Journal | | 2007 |
| Dunamase - the 'Acropolis' of Laois | O'Brien, Patrick Pascal | Article in Journal | | 2006 |
| Dunluce Castle, co. Antrim | C., D.A. | Article in Journal | | 1932 |
| Early castles in Leinster | McNeill, T. E. | Article in Journal | | 1989 |
| Early Medieval defended settlement enclosures in Ireland in the 9th and 10th centuries AD | O’Sullivan, Aidan | Article in Book | | 2016 |
| Early medieval Ireland : settlement as an indicator of economic and social transformation, c.500-1100 AD | Graham, B. J. (Brian J.) | Article in Book | | 1993 |
| Economy and settlement in rural Ireland | Proudfoot, V. B. | Article in Book | | 1977 |
| Elizabeth fort, Cork | McNamara, T. F.Mulcahy, MichaelO'Brien, B. | Article in Journal | | 1959 |
| Excavating feudalism? A medieval moated site at Carrowreagh, Co. Wexford | Tierney, Michael | Article in Book | | 2009 |
| Excavations at Athenry castle, co Galway | Papazian, C. | Article in Journal | | 1991 |
| Excavations at Dromore motte, Co. Down | Waterman, D. M. | Article in Journal | | 1954 |
| Excavations at Essex Street West, Dublin | Simpson, Linzi | Monograph or Collective Volume | Temple Bar Properties | 1995 |
| Excavations at Isolde's Tower, Dublin | Simpson, Linzi | Monograph or Collective Volume | Temple Bar Properties | 1994 |
| Excavations at James Fort, Kinsale, 1974-98 | O'Donnell, Mary | Article in Journal | | 2002 |
| Excavations at Tully Castle, county Fermanagh | Bowen, PeterCarver, NaomiMcSparron, CormacMurray, EmilyPlunkett, Gil | Article in Journal | | 2014 |
| Excavations in Carrickfergus, County Antrim, 1972-79 | Dickson, A.Simpson, M. L. | Article in Journal | | 1981 |
| Excavations of a medieval moated site at Rigsdale, County Cork, 1977-78 | Sweetman, P. D. | Article in Journal | | 1981 |
| Excavations within the scheduled enclosure at south west Ballycarry, county Antrim, and the discovery of a post-medieval fort or fortified bawn | McSparron, CormacMurray, EmilySloan, BrianÓ Baoill, Ruarí | Article in Journal | | 2012 |
| Field Survey of Middlequarter, Newtown & Killongford, Co Waterford | Dowling, SimonKnight-O'Connor, Christina : Cantwell, Eddie | Article in Journal | | 2017 |
| Field-Marshal Sir John Fox Burgoyne, 1782-1871 | Patterson, Alfred Temple | Article in Journal | | 1964 |
| Financing town walls in medieval Ireland | Thomas, Avril | Article in Book | | 1986 |
| Fixing boundaries | Garner, UrsulaGimson, HeatherGreene, SharonHogan, Cian | Article in Journal | | 2019 |
| Fleets, forts and the geography of Toirdelbach Ua Conchobair’s bid for the high-kingship | Valante, Mary | Article in Book | | 2015 |
| Fort Sheridan | Murphy, Ernest van D. | Article in Journal | | 1910 |
| Fortification as an element in the design of Irish Coastguard Stations, 1867-1889 | Mayne, Denis | Article in Journal | | 2016 |
| Fortified houses of the sixteenth century in south Wexford | Callaghan, John | Article in Journal | | 1980 |
| Fortress Britain : artillery fortification in the British Isles and Ireland | Saunders, A. D. | Monograph or Collective Volume | | 1989 |
| Fortress Ireland : the story of the Irish coastal forts and the river Shannon defence line | McEnery, J. H. (John Hartnett), 1925- | Monograph or Collective Volume | Wordwell | 2006 |
| Fortress or refuge? : The walls of Derry in the seventeenth century | Kelly, W. P.Peters, Marie-Claire | Article in Book | | 2015 |
| Forts and castles : the story of defence works from ancient times to the present | Wise, Terence | Monograph or Collective Volume | | 1972 |
| Four ancient stone forts in Donegal | Adams, R. G. | Article in Journal | | 1954 |
| From Gothic to Gothic revival : an archaeology of Leap Castle, Co. Offaly | Tierney, Andrew | Article in Book | | 2008 |
| From ringforts to fortified houses : studies on castles and other monuments in honour of David Sweetman | | Monograph or Collective Volume | Wordwell | 2007 |
| Gallows Hill Community Archaeology Project | Knight-O'Connor, Christina : Cantwell, Eddie | Article in Journal | | 2019 |
| Galway and the ‘new’ system of fortifications 1643-50 | Lenihan, Pádraig, 1959- | Article in Journal | | 1996 |
| Galway castles and owners in 1574 | Nolan, J. P. | Article in Journal | | 1900 |
| Gateways of the walls of Kilkenny | Birthistle, Dorcas | Article in Journal | | 1966 |
| Glanbane Hillfort and the bronze age in Kerry | Hogan, NickO'Brien, WilliamO'Driscoll, James | Article in Journal | | 2016 |
| Glimpses of Tuam through the centuries : Proceedings of a seminar, 28th September 2013 | | Monograph or Collective Volume | Old Tuam Society | 2014 |
| Granny Castle - a history | McCarthy, Patrick | Article in Journal | | 2020 |
| Greencastle, County Donegal | Waterman, D. M. | Article in Journal | | 1958 |
| Guide to the national monuments in the Republic of Ireland. | Harbison, Peter | Monograph or Collective Volume | | 1975 |
| Hand of history : burden of pseudo-history : touchstone of truth | O'Connor, Tom | Monograph or Collective Volume | Trafford Publishing | 2007 |
| Harry Avery's castle, Newtownstewart, Co. Tyrone : excavations, 1950 | Johnson, E. A.Jope, E. M.Jope, H. M. | Article in Journal | | 1950 |
| Hatch's castle, Ardee, county Louth : a fortified town house of the Pale | Murtagh, Ben | Article in Journal | | 1989 |
| Heraldic Gateways a Foretaste of Splendours to come | Bellew, Séamus | Article in Journal | | 2024 |
| Hibernia pacata et castellata | McNeill, T. E. | Article in Journal | | 2003 |
| Hillforts, warfare and society in Bronze Age Ireland | O'Brien, William, 1961-
O'Driscoll, James | Monograph or Collective Volume | Archaeopress | 2017 |
| History of 'Bryan's Fort', Castle Townshend, Co. Cork | Townshend, B. L. | Article in Journal | | 1937 |
| History of an O'Brien stronghold : Clonroad, c.1210-1626 | Ó Dálaigh, Brian | Article in Journal | | 1987 |
| History of Cathal Brugha Barracks | O’Loghlen, John, Lt. Cl. | Monograph or Collective Volume | Oglaigh na hÉireann/ Defence Forces Ireland | 2014 |
| How popular were fortified houses in Irish castle building history? a look at their numbers in the archaeological record and distribution patterns | Weadick, Sharon | Article in Book | | 2009 |
| Human remains excavated at Doonbought Fort, Co. Antrim, 1969 | McNeill, T. E.Murphy, E. M. | Article in Journal | | 1993 |
| Imperial barrack-building in 18C Ireland and Jamaica | McGrath, Charles Ivar | Article in Book | | 2023 |
| Invasion : defending Britain from attack | Cruickshank, Dan | Monograph or Collective Volume | Boxtree | 2001 |
| Investigations at a 'lost' 17th century town in Bantry Bay | Breen, Colin | Article in Journal | | 2002 |
| Ireland's fortress : Limerick 1550-1691 | Wiggins, Kenneth | Article in Book | | 2007 |
| Irish art and architecture from prehistory to the present | Harbison, PeterPotterton, HomanSheehy, Jeanne | Monograph or Collective Volume | Thames & Hudson | 1978 |
| Irish castle studies : a view from across the sea | Kenyon, John | Article in Book | | 2007 |
| Irish castles and castellated houses | Leask, H. G. (Harold G.) | Monograph or Collective Volume | Dundalgan Press | 1941 |
| Irish castles and fortified houses | Sweetman, David | Monograph or Collective Volume | Country House | 1995 |
| Irish tower houses : a Co. Tipperary case study | Cairns, C. T. | Monograph or Collective Volume | Group for the Study of Irish Historic Settlement | 1987 |
| Irish tower houses and their regional distribution | Ó Danachair, Caoimhín, 1913-2002 | Article in Journal | | 1977 |
| Irish walled towns | Givens, John | Monograph or Collective Volume | Liffey Press | 2008 |
| John Murray and the building of the Dun laoghaire Martello Towers | Horner, Arnold | Article in Journal | | 2005 |
| Kells Motte, county Kilkenny | Barry, Terence B.Culleton, EdwardEmpey, C. A. (Adrian) | Article in Journal | | 1984 |
| Kilkenny : its architecture and history | | Monograph or Collective Volume | An Taisce | 1977 |
| Kilkenny Castle : an outline of its history, architecture and archaeology | Murtagh, Ben | Article in Book | | 2018 |
| King John's castle (1976) ... revisited | Wiggins, Kenneth | Article in Journal | | 1993 |
| King John's castle, Carlingford, Co. Louth | Leask, H. G. (Harold G.) | Monograph or Collective Volume | The Stationery Office | 1941 |
| Knowledge, constraint and power in inaction : the defenseless medieval wall | Samson, R. | Article in Journal | | 1992 |
| Large prehistoric enclosures in Ireland | Davies, OliverMogey, J. M. | Article in Journal | | 1946 |
| Late medieval Ireland : the debate on social and economic transformation | Barry, Terence B. | Article in Book | | 1993 |
| Later medieval castles | Johnson, D. N. | Article in Book | | 1991 |
| Listowel Castle, Listowel, County Kerry | Rourke, Grellan D. | Article in Book | | 2007 |
| Londonderry and Coleraine : walled towns or epitome | Thomas, Avril | Article in Book | | 1999 |
| Lorrha motte, County Tipperary | Talbot, E. J. | Article in Journal | | 1972 |
| Lough Gur excavations : Carrig Aille and the "Spectacles" | Ó Ríordáin, S. P. | Article in Journal | | 1949 |
| Lynch’s Castle, Galway | Hynes, John | Article in Journal | | 1934 |
| Magazine Fort to be restored | Ó Snodaigh, Aengus | Article in Journal | | 2022 |
| Management and conservation plans for Trim town walls | Meenan, Rosanne | Article in Book | | 2009 |
| Martello Tower No 10, Shenick's Island, Skerries, Co. Dublin | Whearity, Peter F. | Article in Journal | | 2006 |
| Martello Tower No. 7 and the defence of Killiney Bay | Ó Duibhir, Pól | Article in Journal | | 2017 |
| Martello towers and other coastal defenders of the 19th century | McKenna, Rory | Article in Journal | | 2001 |
| Maynooth Castle | Fitzgerald, Gerald | Article in Journal | | 1895 |
| Medieval Britain and Ireland in 1992 | | Article in Journal | | 1993 |
| Medieval Britain in 1978, 2 : post-Conquest | Cherry, J. | Article in Journal | | 1979 |
| Medieval forts of Meath | Roe, Helen M. | Monograph or Collective Volume | Turner's Printing Co. | 1968 |
| Medieval frontiers and fortification: the Pale and its evolution | O'Keeffe, Tadhg | Article in Book | Geography Publications | 1992 |
| Medieval moated sites in Ireland : some new conclusions on their chronology and function | Barry, Terence B. | Article in Book | | 1988 |
| Medieval Navan | Cantwell, Ethna | Article in Journal | | 2011 |
| Medieval raths? : an Anglo-Norman comment | McNeill, T. E. | Article in Journal | | 1975 |
| Medieval timber and earthwork fortifications in western Ireland | Graham, B. J. (Brian J.) | Article in Journal | | 1988 |
| Medieval tower houses in the barony of Bunratty Lower | Ryan, Gerrard | Article in Journal | | 1983 |
| Medieval town wall off Lambley's Lane, Cork City | Cleary, R. M. | Article in Journal | | 1988 |
| Meelick Martello tower | Scully, James | Monograph or Collective Volume | | 2023 |
| Minorca and Ireland - an architectural connection : the Martello towers of Dublin Bay | Kerrigan, Paul M. | Article in Journal | | 1983 |
| Miscellanea, some features uncovered at Seapoint Martello Tower, Co. Dublin | Corlett, Christiaan | Article in Journal | | 2001 |
| Moated sites and deserted boroughs and villages : two neglected aspects of Anglo-Norman settlement in Ireland | Glasscock, Robin E. | Article in Book | | 1970 |
| Moated sites in Ireland | Barry, Terence B. | Article in Book | | 1978 |
| Mote and mote-and-bailey castles in de Courcy's principality of Ulster | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1939 |
| Motes and Norman castles in Ireland. Parts 1-2 | Orpen, G. H. (Goddard Henry) | Article in Journal | | 1907 |
| Motte castles in Ireland : permanent fortresses, residences and manorial centres | O'Conor, Kieran Denis | Article in Journal | | 2000 |
| Motte-castles in Ireland | Armitage, Ella Sophia, 1841-1931 | Article in Book | | 1912 |
| Mottes | Downey, LiamO'Sullivan, Muiris | Article in Journal | | 2007 |
| Mottes in Ireland | Glasscock, R. E. | Article in Journal | | 1975 |
| Mottes in Ireland : a draft list | Glasscock, R. E.McNeill, T. E. | Article in Journal | | 1972 |
| Mountjoy Fort and Mountjoy Castle, county Tyrone | Fee, AidanMayes, Frank | Article in Journal | | 2012 |
| Mrs Ella Armitage and Irish archaeology | Counihan, Joan | Article in Journal | | 1998 |
| Native enclosed settlement and the problem of the Irish 'Ring-fort' | Fitzpatrick, Elizabeth | Article in Journal | | 2009 |
| Naval storehouses on Haulbowline Island 1816-1822: a study in Georgian military architecture | Murray, Peter | Article in Journal | | 2019 |
| New Ross : from European archetype to town 'situated in the Marches' | Doran, Linda M. | Article in Book | | 2012 |
| Newcastle fort 1566-1606 | O'Brien, Andrew | Article in Journal | | 2000 |
| No trespassing : border defence in the Táin Bó Cuailnge | Tarzia, Wade | Article in Journal | | 1987 |
| Norman ringwork castles | Twohig, D. C. | Article in Journal | | 1978 |
| Notes on the fortification of Kinsale harbour | O'Neil, Bryan Hugh St. John | Article in Journal | | 1940 |
| O'Brien's Bridge in the reign of Henry VIII | Hodkinson, Brian J. | Article in Book | | 2012 |
| O'Connor's Stronghold, Derrywarragh Island, Maghery, County Armagh | Donnelly, Colm J.McGranaghan, ClareMoore, Peter | Article in Journal | | 2004 |
| On the promontary forts of the Kerry peninsulas | Redmond, Marcus | Article in Book | | 1998 |
| Operations of the parliamentary squadron at the siege of Duncannon in 1645 | Powell, J. R. | Article in Journal | | 1954 |
| Osbourne's Fort, County Wicklow | Ferguson, Kenneth | Article in Journal | | 2008 |
| Pale ditch in south County Dublin | Goodbody, Rob | Article in Journal | | 1993 |
| Performance, place and power at Dún Ailinne, a ceremonial site of the Irish iron age | Campana, Douglas V.Crabtree, Pam J.Johnston, Susan A. | Article in Journal | | 2014 |
| Pillboxes | Hill, Elaine | Article in Journal | | 2008 |
| Pillboxes of Britain and Ireland | Osborne, Mike | Monograph or Collective Volume | Tempus | 2008 |
| Porta Via : excavations at the Athboy Gate, Trim | Seaver, Matthew | Article in Book | | 2009 |
| Portumna Castle - a little-known early survey and some observations | Johnson, D. N. | Article in Book | | 1988 |
| Post-medieval Britain and Ireland in periodic literature in 1992 | Kenyon, John R. | Article in Journal | | 1993 |
| Post-medieval Britain and Ireland in periodic literature in 1994 | | Article in Journal | | 1995 |
| Post-medieval Britain in 1969 | Hurst, D. G. | Article in Journal | | 1971 |
| Pre-norman fortification in eleventh-and twelfth-century Connacht | Naessens, PaulO'Connor, Kieran | Article in Journal | | 2012 |
| Rathnageeragh and Ballyloo : a study of stone castles of probable 14th to early 15th century date in county Carlow | O'Keeffe, Tadhg | Article in Journal | | 1988 |
| Recent geophysical investigations and LiDAR analysis at the Hill of Slane, Co. Meath | Barton, KevinBrady, ConorSeaver, Matthew | Article in Journal | | 2013 |
| Rectangular keeps of the 13th century at Grenan (Kilkenny) and Glanworth (Cork) | Waterman, D. M. | Article in Journal | | 1968 |
| Redoubts occupied by the Royal Scots in Ireland in the 18th century | Leask, H. G. (Harold G.) | Article in Journal | | 1952 |
| Renmore Fort : a seventeenth century fortification at Renmore, Galway | Walsh, Paul | Article in Journal | | 1987 |
| Report on the fortifications of Limerick, 1685 | Phillips, Thomas | Article in Journal | | 1990 |
| Restoring possibly forgotten features at Hillsborough Fort gatehouse, county Down in the 1990s | Fry, Malcolm F. | Article in Journal | | 2018 |
| Rinmore fort : a seventeenth-century fortification at Renmore, Galway | Walsh, Paul | Article in Journal | | 1987 |
| Roscommon Castle : underestimated in terms of location? | Murphy, Margaret | Article in Journal | | 2003 |
| Rosslare : its fort and lifeboat | Turner, Joseph | Article in Journal | | 1972 |
| Rosslare fort and its people | Kehoe, Gerard | Article in Journal | | 1974 |
| Seapoint and spindoctors | Harris, Eoghan | Article in Journal | | 1999 |
| Sentinel towers: the Irish treaty ports, 1914-1945 | O'Sullivan, Clive John | Thesis | | 1999 |
| Sessiaghmagaroll fort | Davies, OliverPaterson, T. G. F. | Article in Journal | | 1938 |
| Seventeenth century plans of Dublin Castle | Maguire, J. B. | Article in Journal | | 1976 |
| Seventeenth-century fortifications, forts and garrisons in Ireland : a preliminary list | Kerrigan, P. M. | Article in Journal | | 1980 |
| Sieges and fortifications | Hutton, RonaldReeves, Wylie | Article in Book | | 1998 |
| Silent guns : two pieces of early 19th century ordnance on the shores of Galway Bay | Gosling, Paul | Article in Journal | | 1989 |
| Silent sentinels : [the Irish treaty forts] | MacCarron, Donal | Monograph or Collective Volume | Nonsuch | 2008 |
| Sligo Castle | O'Conor, Kieran Denis | Article in Book | | 2002 |
| Sligo's de Burgo castle of 1310 : an addendum | O'Brien, Patrick E.Timoney, Martin A. | Article in Book | | 2002 |
| Soil Erosion following Deforestation in the Early Christian Period in South Wexford | Culleton, E. B.Mitchell, G. F. (George Francis), 1912-1997 | Article in Journal | | 1978 |
| Some Considerations concerning the Dating and Distribution of Ring-forts in Ireland | Barrett, Gillian F.Graham, B. J. (Brian J.) | Article in Journal | | 1975 |
| Some Irish links with Sedan | Ó hAnnracháin, Eoghan | Article in Journal | | 2014 |
| Some notes on the old fortifications of Drogheda | Allen, W. P. | Article in Journal | | 1944 |
| Some notices of the castle and of the ecclesiastical buildings at Trim. | Butler, Richard, 1794-1862 | Monograph or Collective Volume | | 1861 |
| St. Mochua and the round tower | Williams, Joe | Monograph or Collective Volume | South Dublin Libraries | 2006 |
| Strange changes at King John's castle | Wiggins, Kenneth | Article in Journal | | 1991 |
| Studies in building history : essays in recognition of the work of B.H.St.J. O'Neil | Jope, E. M. | Monograph or Collective Volume | | 1961 |
| Style over substance : architectural fashion and identity building in medieval Ireland | Ní Ghrádaigh, Jenifer | Article in Book | | 2012 |
| Swords castle : digging history. Excavations 2015-17 | Baker, Christine | Monograph or Collective Volume | Wordwell Books | 2022 |
| The 'moat' at Castletown Kilberry, Co. Meath | Moore, M. J. | Article in Journal | | 1988 |
| The ancient walls of Limerick | Leask, H. G. (Harold G.) | Article in Journal | | 1941 |
| The Anglo-Norman keep at Trim : its architectural implications | Stalley, Roger | Article in Journal | | 1992 |
| The Anglo-Normans and their castles in County Galway | Holland, Patrick | Article in Book | | 1996 |
| The archaeological excavation of Doonagappul promontory fort (cat. no. 65) at Strake | Casey, Markus | Article in Book | | 2007 |
| The archaeological identity of the Hiberno-Norse town | Wallace, Patrick F. | Article in Journal | | 1992 |
| The archaeology of Gaelic lordship east and west of the Foyle | McNeill, T. E. | Article in Book | | 2001 |
| The archaeology of lake settlement in Ireland | O'Sullivan, Aidan | Monograph or Collective Volume | Royal Irish Academy | 1998 |
| The archaeology of the tower house in later medieval Ireland | Barry, Terence B. | Article in Book | | 1993 |
| The architecture of defiance...political motivation in castle design | Duffy, Paul | Article in Journal | | 2015 |
| The architectures of empire in Jamaica: the Irish legacy | Nelson, Louis P. | Article in Book | | 2023 |
| The barracks of Ballinskelligs Bay | Pochin-Mould, Daphne | Article in Journal | | 1994 |
| The Bridge Castle, Thomastown, Co. Kilkenny | Murtagh, Ben | Article in Book | | 1988 |
| The British heroic age : the Welsh and the men of the north | Chadwick, Nora Kershaw, 1891-1972 | Monograph or Collective Volume | NA | 1976 |
| The Buildings of Ireland : North west Ulster : the counties of Londonderry, Donegal, Fermanagh, and Tyrone. | Rowan, Alistair | Monograph or Collective Volume | | 1979 |
| The castle at Ballingarry, County Tipperary : a fourteenth-century Gaelic castles | O'Brien, Caimin | Article in Book | | 2007 |
| The castle of Castlereagh, Co. Down | McNeill, T. E. | Article in Journal | | 1987 |
| The castle of Dún Mic Óghmainn and the overlordship of Carbery | Ó Murchadha, Diarmuid | Article in Journal | | 1988 |
| The castles and fortified houses of west Cork | Carroll, Michael | Monograph or Collective Volume | Bantry Studio Publications | 2001 |
| The castles and stronghouses of Ireland | Salter, Mike | Monograph or Collective Volume | Folly | 1993 |
| The castles of Co. Cavan | Davies, Oliver | Article in Journal | | 1948 |
| The Castles of county Cavan Part I|Part II | Davies, Oliver | Article in Journal | | 2013 |
| The castles of the kingdom (of Kerry) | Carroll, Michael J. | Monograph or Collective Volume | Bantry Studio Publications | 2004 |
| The cockpit of Ulster: war along the River Blackwater 1593-1603 | O'Neill, James | Article in Journal | | 2014 |
| The concept of the march in medieval Ireland : the case of Uriel | Smith, Brendan, 1963- | Article in Journal | | 1988 |
| The death of the tower house? An examination of the decline of the Irish castle tradition | McAlister, Vicky | Article in Book | | 2015 |
| The defences | Hurley, Maurice F. | Article in Book | | 2003 |
| The defences of Ireland, 1793-1815 | Kerrigan, P. M. | Article in Journal | | 1983 |
| The defences of the Shannon : Portumna to Athlone 1793-1815 | Kerrigan, P. M. | Article in Book | | 1980 |
| The defences of the south east coast of Ireland 1803-14 | Kerrigan, Paul | Article in Journal | | 1979 |
| The defensive nature of Irish moated sites | Barry, Terence B. | Article in Book | | 2003 |
| The Derryhivenny Castle project | Burke, Aideen | Article in Journal | | 2009 |
| The development of Trim Castle in the light of recent research | Sweetman, P. David | Article in Journal | | 1996 |
| The Doon of Drumsna. Roscommon's Iron Age "Berlin Wall | Condit, Tom | Article in Journal | | 2000 |
| The Dún of Dún Laoghaire | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1932 |
| The ecclesiastical architecture of Ireland anterior to the Anglo-Norman invasion, comprising an essay on the origin and uses of the round towers of Ireland | De Paor, LiamPetrie, George | Monograph or Collective Volume | [s.n.] | 1970 |
| The enigma of the Viking longphort: a landscape archaeological approach | Arthur, Niamh | Article in Journal | | 2009 |
| The Erne forts of Cael Uisce and Belleck | Ó Gallachair, Pádraig | Article in Journal | | 1966 |
| The excavation of a cashel at Ballyaghagan, county Antrim | MacDonald, PhilipMeighen, IanSloan, BrianWelsh, HenryÓ Baoill, Ruairí | Article in Journal | | 2014 |
| The excavation of Leacanabuaile stone fort, near Caherciveen, Co. Kerry | Ó Ríordáin, S. P. | Article in Journal | | 1941 |
| The excavation of Rathmullen, a raised rath and motte in County Down | Lynn, C. J. | Article in Journal | | 1981 |
| The fort of the ships | Kelleher, Connie | Article in Book | | 2007 |
| The fort on the ridge in the marches of the pale : Dundrum castle, Co. Dublin | Johnson, David Newman | Article in Journal | | 2014 |
| The fortification of Galway in the sixteenth and early seventeenth centuries | O’Sullivan, M.D. | Article in Journal | | 1934 |
| The fortifications of Kinsale, Co. Cork | Kerrigan, Paul M. | Article in Journal | | 1972 |
| The fortifications of Lough Swilly and Lough Foyle : temporary expedients, 1798-1800 | McKay, Russell | Article in Journal | | 1977 |
| The fortifications of Western Ireland, AD 1100-1300, and their interpretation | O'Keeffe, Tadhg | Article in Journal | | 1998 |
| The fortified houses of County cork : origin, fabric, form function and social space | Nunan, Joe | Article in Book | | 2006 |
| The Giant's Sconce, co. Derry | Lawlor, H.C. | Article in Journal | | 1930 |
| The Gothic and the Gaelic : exploring the place of castles in Ireland's celtic revival | Tierney, A. | Article in Journal | | 2004 |
| The great guns like thunder : the cannon from the city of Derry | Leacock, Alan Gordon,Rhynas Brown, Ruth,Salter, ChrisScott, Brian G., | Monograph or Collective Volume | Guildhall Press | 2008 |
| The heather fort | Fitzgerald, John | Article in Journal | | 1979 |
| The high fortress : a guide to the Rock of Donamase | | Monograph or Collective Volume | Wordwell in association with Laois County Council | 2022 |
| The importance of the tower house in the late medieval society of Breifne | McCarthy, Judith | Article in Journal | | 1989 |
| The importance of the towerhouse in the late medieval society of Breifne | McCarthy, Judith | Article in Journal | | 1989 |
| The internal structure of Galtrin motte, County Meath, as revealed by ground-penetrating radar and electrical restivity geophsical techniques | Breen, RebekahGibson, Paul | Article in Journal | | 2005 |
| The Irish cashel : enclosed settlement, fortified settlement or settled fortification? With evidence from ongoing excavations at Caherconnell, Co. Clare, western Ireland | Comber, Michelle | Article in Book | | 2016 |
| The Irish ringfort | Stout, Matthew | Monograph or Collective Volume | Four Courts & the Group for the Study of Irish Historic Settlement | 1997 |
| The Irish round tower | Lalor, Brian | Monograph or Collective Volume | Collins Press | 1999 |
| The Irish tower house - a military view | Cairns, Conrad | Article in Journal | | 1991 |
| The Irish tower house: Society, economy and environment, c. 1300-1650 | McAlister,Victoria L. | Monograph or Collective Volume | Manchester University Press | 2019 |
| The Kings River crossing at Newtown, Kells: a sacred place and power centre chosen by Palladius | Meagher, MIke | Article in Journal | | 2020 |
| The last frontier : defence and settlement in late medieval Ireland | Barry, Terence B. | Article in Book | | 1995 |
| The later construction and use of motte and bailey castles in Ireland : new evidence from Leinster | O'Conor, Kieran | Article in Journal | | 1991 |
| The lost architecture of the Wexford plantation | Loeber, M. S.Loeber, Rolf | Article in Book | | 1987 |
| The lost castle of Armagh : a medieval castle or a seventeenth-century fort? | Quinn, Kevin | Article in Journal | | 2004 |
| The Loughan | Cunningham, Jennifer | Article in Journal | | 2006 |
| The Martello towers of Dublin | Bolton, Jason,Carey, Tim,Clabby, GerryGoodbody, Rob, | Monograph or Collective Volume | | 2012 |
| The Martello towers of Ireland | Enoch, V. J. | Monograph or Collective Volume | Eason | 1975 |
| The medieval castle of Athlone | Claffey, John A. | Article in Journal | | 1970 |
| The medieval castles of Ireland | Sweetman, David | Monograph or Collective Volume | Collins Press | 1999 |
| The medieval moated sites of County Wexford | Barry, Terence B. | Article in Journal | | 1976 |
| The medieval moated sites of south-eastern Ireland | Barry, Terence B. | Thesis | | |
| The medieval moated sites of south-eastern Ireland : counties Carlow, Kilkenny, Tipperary and Wexford | Barry, Terence B. | Monograph or Collective Volume | British Archaeol. Repts. | 1977 |
| The medieval parish church at Bannow, Co. Wexford | Corlett, ChristiaanKirwan, Seán | Article in Book | | 2016 |
| The medieval settlement | Macdonald, Philip | Article in Book | | 2012 |
| The medieval settlement at Rathgall, County Wicklow | Raftery, Barry | Article in Book | | 2007 |
| The medieval tower of Hook, Co. Wexford : a beacon of commerce and symbol of Marshal power and wealth in Ireland | Murtagh, Ben | Article in Journal | | 2016 |
| The medieval town defences of Cashel | Collins, Tracy | Article in Journal | | 1997 |
| The medieval town wall of Cork | Dower, DenisHurley, Maurice | Article in Journal | | 1981 |
| The military occupation and settlement of north-west Wicklow by the earls of Kildare, 1470-1534 | Hussey, John | Article in Journal | | 2015 |
| The moated site on Inisatirra Island, Drumharlow Lough, Co. Roscommon | Anonymous | Article in Journal | | 1998 |
| The moated sites of County Galway, Ireland | Holland, Patrick | Article in Journal | | 1996 |
| The moated sites of County Waterford | Barry, Terence B. | Article in Journal | | 1979 |
| The morphology of Gaelic lordly sites in north Connacht | O'Conor, Kieran Denis | Article in Book | | 2001 |
| The motte and manor of Callan | Clutterbuck, Richard L.Elliott, Ian, 1936-2015Shanahan, Brian | Article in Journal | | 2006 |
| The Motte, Wheatfield, Portmarnock | Byrne, Joseph | Article in Journal | | 2011 |
| The mottes of the Norman liberty of Meath | Graham, B. J. (Brian J.) | Article in Book | | 1980 |
| The Norman motte at Old Ross : method of construction | Colfer, WilliamCulleton, Edward | Article in Journal | | 1974 |
| The north and south moats, Naas | Gibson, William H. | Article in Journal | | 1987 |
| The origin of tower houses | McNeill, T. E. | Article in Journal | | 1992 |
| The outer gate at Dunamase castle, co. Laois | McNeill, T. E. | Article in Journal | | 1993 |
| The Pale in the Donadea area | Cullen, Seamus | Article in Journal | | 1993 |
| The plan of the Golden Fort at Smerwick, 1580 | Jones, Frederick | Article in Journal | | 1954 |
| The promontory fort, inhumation cemetery and sub-rectangular enclosure at Knoxspark, Co. Sligo | Mount, Charles | Article in Book | | 2002 |
| The rampart of the Pale | Devitt, Matthew | Article in Journal | | 1902 |
| The rath in Hillsborough Fort, County Down | Gaskell Brown, B. N. F.Gaskell Brown, Cynthia | Article in Journal | | 1978 |
| The Renaissance fortifications at Dunboy castle, 1602 : a report of the 1989 excavations | Klingelhöfer, E. | Article in Journal | | 1992 |
| The Rock of Cashel | Barrow, Lennox | Article in Journal | | 1976 |
| The Rock of Dunamase | O'Leary, Edward | Article in Journal | | 1911 |
| The round tower at Nohaval Lower, county Cork | Walsh, Paul | Article in Journal | | 1987 |
| The round tower at Roscrea and its environs | Cunningham, George | Monograph or Collective Volume | Parkmore | 2014 |
| The round towers of Ireland | Rynne, Etienne | Article in Journal | | 1980 |
| The search for the ninth-century "longphort" : early Viking-age Norse fortifications and the origins of urbanization in Ireland | Gibbons, MichaelGibbons, Myles, | Article in Book | | 2008 |
| The shifting frontier : medieval moated sites in Counties Cork and Limerick | Barry, Terence B. | Article in Book | | 1981 |
| The siege of Athlone. | Murtagh, Diarmuid | Article in Journal | | 1953 |
| The spatial dynamic of the Irish tower house hall | Sherlock, Rory | Article in Book | | 2015 |
| The stone castles of northern county Antrim | McNeill, T. E. | Article in Journal | | 1984 |
| The T-House mystery | Keene, H. L. Buck | Article in Journal | | 1986 |
| The tower house and warfare in Ireland in the fourteenth and fifteenth centuries | McAuliffe, Mary | Article in Journal | | 1992 |
| The tower houses of Co. Down: stylistic similarity, functional difference | Eadie, Gillian | Article in Book | | 2015 |
| The tower houses of County Kerry | McAuliffe, Mary | Thesis | | 1992 |
| The tower houses of County Tipperary | Cairns, Conrad | Thesis | | 1984 |
| The town wall fortifications of Athlone | Murtagh, Harman | Article in Book | | 1980 |
| The town wall of Kilkenny | Bradley, John, 1954-2014 | Article in Journal | | 1976 |
| The town walls and fortifications | Walsh, Paul | Article in Book | | 2004 |
| The town walls of Carlow | O'Shea, Sean | Article in Journal | | 2011 |
| The walled towns of Ireland | Thomas, Avril | Thesis | | 1989 |
| The walled towns of Ireland | Thomas, Avril | Thesis | | |
| The walled towns of Ireland. 2 vols. | Thomas, Avril | Monograph or Collective Volume | | 1992 |
| The walls of Cashel | Jackson, Robert Wyse | Article in Journal | | 1949 |
| The walls of Derry : their building, defending, and preserving. 2 pts. | Milligan, C. D. (Cecil Davis) | Monograph or Collective Volume | Sentinel | 1948 |
| The walls of Dublin | Goodbody, D. | Article in Journal | | 1962 |
| The walls of Londonderry : the background in European military architecture | Scott, Brian G. | Article in Book | | 2015 |
| The wonderful castle of Tuam : sorting fact from fiction | Gosling, Paul | Article in Journal | | 2013 |
| Thomas Johnson Westropp and his study of the medieval tower houses of Counties Clare and Limerick | Donnelly, Colm J. | Article in Book | | 2007 |
| Thomas Phillip's plan of Athlone | Murtagh, Harman | Article in Journal | | 1985 |
| Thomas Phillips' prospects of Ireland, 1684-5 | Murtagh, Harman | Article in Journal | | 2007 |
| Three castles : a sentinel in stone watching the north-west frontier of Gaelic Leinster | Ferguson, Kenneth | Article in Journal | | 2000 |
| Timber castles and towers in sixteenth-century Ireland : some evidence from Ulster | Donnelly, Colm J.Logue, PaulO'Neill, JimO'Neill, John | Article in Journal | | 2007 |
| Tower of strength : a history of the Millmount Complex in Drogheda | Matthews, Brendan | Monograph or Collective Volume | Old Drogheda Society | 2008 |
| Towers of strength : the story of the Martello towers | Clements, W. H. | Monograph or Collective Volume | Leo Cooper | 1999 |
| Trim Castle, Co. Meath : the first three generations | McNeill, T. E. | Article in Journal | | 1991 |
| Turbet island motte and bailey, Belturbet, County Cavan | O'Donovan, Patrick | Article in Journal | | 1991 |
| Twelfth- and thirteenth-century earthwork castles in Ireland : an assessment | Graham, B. J. (Brian J.) | Article in Journal | | 1991 |
| Twelfth- and thirteenth-century earthwork fortifications in Ireland | Graham, B. J. (Brian J.) | Article in Journal | | 1987 |
| Two fortified houses at Castleraw, county Armagh | Brannon, N. F. (Nick) | Article in Journal | | 1982 |
| Two islands, many forts: Ireland and Bermuda in 1624 | Mann, Emily | Article in Book | | 2023 |
| Tymon : a lost Pale castle recorded | Johnson, D. N. | Article in Book | | 1988 |
| Types of rath in southern Ulster | Davies, Oliver | Article in Journal | | 2013 |
| Ulster mottes : a checklist | McNeill, T. E. | Article in Journal | | 1975 |
| Urban Defences in Anglo-Norman Ireland: evidence from South Connacht | McKeon, Jim | Article in Journal | | 2011 |
| War and society in Westmeath, 1689-91 | Murtagh, Harman | Article in Book | Geography Publications | 2022 |
| Was Castlegarde a walled town? | Hodkinson, Brian J. | Article in Book | | 2012 |
| Was Quinn Castle completed? | Hodkinson, Brian J. | Article in Book | | 2012 |
| Wexford castles : landscape, context, settlement | Colfer, Billy | Monograph or Collective Volume | Cork University Press | 2013 |
| Where was O'Donnell's fort at Murvagh? | Ó Gallachair, Pádraig | Article in Journal | | 1958 |
| Who built Dun Aengus? | Dalton, John P. | Article in Journal | | 1928 |
| Who built Dun Aengus? (concluded) | Dalton, J. P. | Article in Journal | | 1929 |
| Wiggins rebuked | Sweetman, P. D. | Article in Journal | | 1993 |
| William Marshal (1146/7–1219) and the turris rotunda | Unkel, Jill | Article in Book | | 2021 |
| Woodstown and Urbanization: Interpretations, Models and Questions | Wall, Rebecca | Article in Journal | | 2010 |