| "I lift up mine eyes" : A Re-evaluation of the tower in Cistercian architecture in Britain and Ireland | Harrison, Stuart | Article in Book | Brepols | 2004 |
| A Carnival of learning: essays to honour George Cunningham and his 50 conferences on medieval Ireland in the Cistercian Abbey of Mount St Joseph, Roscrea, 1987-2012 | | Monograph or Collective Volume | Cistercian | 2012 |
| A Cistercian grange and the adventures of Captain Cueller 1588 | Carville, Geraldine | Article in Journal | | 1990 |
| A fourteenth-century historical compilation from St Mary's Cistercian abbey, Dublin | Meehan, Bernard | Article in Book | | 2016 |
| A fresh look at Versiculi Familiae Benchuir | O'Dwyer, P. | Article in Journal | | 1981 |
| A glance at five Cistercian Abbeys of the South-East | de Vál, Seamus S. | Article in Journal | | 2008 |
| A medieval bronze pax from Dunbrody Abbey, Co. Wexford, and the fate of ornamenta from suppressed religious houses in Ireland | Ó Floinn, Raghnall | Article in Book | | 2013 |
| A monastic landscape : the Cistercians in medieval Leinster | Lynch, Bridget | Thesis | | 2008 |
| A parish remembers its past | Hughes, E. W. | Article in Journal | | 1981 |
| A romantic view of Inch Abbey, monastic site on the banks of the Quoile | Colmer, Albert W. K. | Article in Journal | | 1988 |
| A strange 'Púirín' in the early monastic site at Roscam, Co. Galway | Rynne, Etienne | Article in Book | | 2012 |
| A suggestion regarding the tomb at Strade, Co. Mayo | Manning, Conleth | Article in Book | | 2012 |
| A tale of archaeological serendipity : the two Georges | Barry, Terence B. | Article in Book | | 2012 |
| A tale of two abbots | Lincoln, Siobhán | Article in Journal | | 1986 |
| Abbeydorney : our own place | | Monograph or Collective Volume | # | 1989 |
| Additions to the collection of Irish manuscripts at Mount Melleray Abbey | Ó Macháin, Pádraig | Article in Journal | | 1997 |
| An important Mellifont document | | Article in Journal | | 1957 |
| An introduction to the geometry used in the layout of Clonfert portal | Cunniffe, Christy | Article in Book | | 2012 |
| Archbishop Bernard, Lady Constance Butler and the 'Charters of Duiske' | Murphy, William | Article in Journal | | 2010 |
| Arklow Abbey | Butler, John J. | Article in Journal | | 1985 |
| Assaroe : 'Abbey of the morning star' | Carville, Geraldine | Monograph or Collective Volume | Abbey Mill Wheel Trust | 1989 |
| Baltinglass : abbey of the three rivers | Carville, Geraldine | Monograph or Collective Volume | | 1984 |
| Bardic Lore and Education | Rowlands, E. I. | Article in Journal | | 1985 |
| Beasts | Ryan, Michael | Article in Book | | 2012 |
| Beaubec, Co. Meath. Excavation of a French Cistercian Grange in the Boyne Valley | Stout, GeraldineStout. Matthew | Monograph or Collective Volume | Chapel Press | 2023 |
| Bective abbey, Co. Meath | Leask, H. G. (Harold G.) | Article in Journal | | 1916 |
| Bee boles in Monksland | Johnston, Don | Article in Journal | | 2020 |
| Before Bagenal's Castle: evidence of the medieval Cistercian Abbey at Nerwy, County Down | Dawkes, Giles | Article in Journal | | 2009 |
| Between hagiography and liturgy : fragmentary offices for Irish saints | Buckley, Ann | Article in Book | | 2012 |
| Beverages in Cistercian monasteries in medieval Ireland | Carulle, C. | Article in Journal | | 1972 |
| Bird and fish bones from Beaubec, Co. Meath | Hamilton-Dyer, S. | Article in Book | | 2023 |
| Boyle Abbey - order and space (photographs) | Anonymous | Article in Journal | | 1998 |
| BUPNS Reprints 26: A note on the place-name 'Aranea' | Mac Niocaill, Gearóid | Article in Journal | | 2008 |
| Céad bliain faoi rath : The story of Cistercian College Roscrea, 1905-2005 | | Monograph or Collective Volume | Cistercian Publications | 2005 |
| Ceramic building material from Beaubec, Co. Meath | Campbell, Kieran | Article in Book | | 2023 |
| Chapter and verse at Jerpoint Abbey | Harbison, Peter | Article in Journal | | 2017 |
| Chartularies of St Mary's abbey, Dublin; with the register of its house at Dunbrody, and annals of Ireland. 2 vols. | | Monograph or Collective Volume | | 1884 |
| Cistercian Abbey proposed for Kilmallock | Seoighe, Mainchín | Article in Journal | | 2001 |
| Cistercian art and architecture in the British Isles | | Monograph or Collective Volume | | 1986 |
| Cistercian monastic settlements in the Diocese of Ross | Byrne, Jim | Article in Journal | | 2013 |
| Cistercians and Cistercian abbeys in sixteenth- and seventeenth-century Ireland | Hogan, Flannan, Rev. | Thesis | | 1972 |
| Cistercians in Derry and Donegal 1218-2013 | Canning, Bernard J. | Article in Journal | | 2014 |
| Cistercienses Irlandeses en Espana | Guerin Betts, Patrick | Article in Journal | | 1975 |
| Clonkyne Leix | Comerford, M., P.P. | Article in Journal | | 1883 |
| Collation seats in Irish Cistercian houses : Grey Abbey, Conty Down and Graiguenamanagh, County Kilkenny | Hamlin, Ann | Article in Journal | | 1983 |
| Comhcheilg na Mainstreach Móire | Conway, Colmcille | Monograph or Collective Volume | | 1968 |
| Corcomroe abbey : some observations on its architectural history | Stalley, Roger | Article in Journal | | 1977 |
| Corcomroe Abbey and the English Medieval Wool Trade | Mac Mahon, Michael | Article in Journal | | 2024 |
| Corcomroe Abbey ship graffito: a sacred and secular symbol | Lochnan, Katherine | Article in Journal | | 2011 |
| Cúis dlí idir ab agus rí | NA | Article in Journal | | 1961 |
| David MacCarwell and the proposal to purchase English law, c.1273-c.1280 | Phillips, J.R.S. (John Roland Seymour) | Article in Journal | | 1996 |
| De Bello Becco : a French foundation in the Boyne Valley | Stout, Geraldine | Article in Journal | | 2018 |
| Decline and attempted reform of the Irish Cistercians, 1445-1531 | Conway, Colmcille | Article in Journal | | 1957 |
| Decorating the Lavabo : late Romanesque sculpture from Mellifont Abbey | Stalley, Roger | Article in Journal | | 1996 |
| Divided loyalties in religious orders : structures and patterns in Cistercian Wales and Ireland | Mueller, Anne | Article in Book | | 2015 |
| Dom Vincent of Mount Melleray | Walsh, Kilian J. | Monograph or Collective Volume | Gill | 1962 |
| Duiske abbey, Graignamanagh : abbey triumphant | Hughes, E. W. | Article in Journal | | 1977 |
| Dunbrody through the ages | Walsh, Thomas P. | Article in Journal | | 1976 |
| Excavation in the time of Coronavirus | Stout, GeraldineStout, Matthew | Article in Journal | | 2020 |
| Excavations at Beaubec, Bey More, Co. Meath (2019-20): a priliminary report | Stout, GeraldineStout, Matthew | Article in Journal | | 2021 |
| Excavations at Mellifont abbey, Co. Louth | De Paor, Liam | Article in Journal | | 1969 |
| Excavations at St Mary's abbey, Dublin : the archaeology of Ireland's premier Cistercian house | O'Donovan, Edmond | Article in Book | NA | 2025 |
| Excavations at the site of Newry Abbey, county Down | Crothers, NormanGahan, Audrey | Article in Journal | | 2000 |
| Faunal remains from Beaubec, Co. Meath | Beglane, Fiona | Article in Book | | 2023 |
| Friar Maurice Hanlan, his books and the Franciscan studium in medieval Youghal | Ó Clabaigh, Colmán N. | Article in Book | | 2012 |
| From fax to vellum : producing manuscript books in the 21st century | O'Neill, Timothy, 1947- | Article in Book | | 2012 |
| Gaelic monasticism and the Irish Cistercians c.1228 | O'Dwyer, B. W. | Article in Journal | | 1967 |
| George Cunningham - (what) a life | Harbison, Peter | Article in Book | | 2012 |
| George Cunningham - lifelong learner and lifelong educator | Coolahan, John | Article in Book | | 2012 |
| Glass from Beaubec, Co. Meath | Moran, Jo | Article in Book | | 2023 |
| Going to Holy Cross | De Varebeke, Hubert J. | Article in Journal | | 1955 |
| Graignamanagh Abbey : history and present crisis | Walsh, Kilian J. | Article in Journal | | 1970 |
| Grey Abbey, County Down | Anonymous | Monograph or Collective Volume | | 1964 |
| Henry Gillespie - from Mallow to Iowa | Moynihan, Anne | Article in Journal | | 2018 |
| Henry II as a founder of monasteries | Hallam, Elizabeth M. | Article in Journal | | 1977 |
| Historical notes of the abbey of Dunbrody | Morrin, James | Article in Journal | | 1879 |
| History of Holy Cross abbey and its relics | Anonymous | Article in Journal | | 1939 |
| Holy Cross : Tipperary's famed religious site | Hayes, William J. | Article in Book | | 1993 |
| Holy Cross Abbey | Hayes, William J. | Article in Journal | | 1972 |
| Holy Cross abbey | Hayes, W. J. | Monograph or Collective Volume | | 1973 |
| Holy Cross abbey and the Counter-Reformation in Tipperary | Cunningham, BernadetteGillespie, Raymond | Article in Journal | | 1992 |
| Holy Cross Abbey, Co. Tipperary | Morris, Thomas | Monograph or Collective Volume | Eason | 1986 |
| Holy Cross and Kilcooley: Two Holy Cross abbeys in Tipperary | O'Brien, Niall C.E.J. | Article in Journal | | 2023 |
| Hore Abbey, Cashel : the archaeological record | Collins, Tracy | Article in Journal | | 1998 |
| In praise of the Corcomroe masons | Gilmore, Hilary | Article in Journal | | 2000 |
| Inch abbey | McRobert, John | Article in Journal | | 1991 |
| Insect analysis from Beaubec, Co. Meath | Davis, StephenKourela, EvaNagyova, Michala | Article in Book | | 2023 |
| Inspiring Irish crusaders: St Bernard’s writings and Cistercian impact | Picard, Jean-Michel | Article in Book | | 2022 |
| Ireland's place in the tradition of the Cistercian menology | Hennig, John | Article in Journal | | 1961 |
| Irish Cistercian monasteries : a pedigree and distribution map | Leask, H. G. (Harold G.) | Article in Journal | | 1948 |
| Irish Cistercian monasteries and their carved decoration | Henry, Françoise, 1902-1982 | Article in Journal | | 1966 |
| Irish royal charters and the Cistercian Order | Flanagan, Marie Therese | Article in Book | | 2005 |
| Irish Royal charters and the Cistercian order | Flanagan, Marie Therese | Article in Book | | 2005 |
| Jerpoint | Hegarty, Maureen | Article in Journal | | 1971 |
| Jerpoint Abbey : an historical perspective | Lynch, Breda | Article in Journal | | 2004 |
| Jerpoint Abbey, Co. Kilkenny | Leask, H. G. (Harold G.) | Monograph or Collective Volume | The Stationery Office | 1939 |
| Kilcooly abbey | Conway, Colmcille | Article in Journal | | 1985 |
| Kilcooly Abbey. Part 1 | Columbkille, Fr. | Article in Journal | | 1984 |
| King John and the Cistercians in Wales | Jenkins, James Haydn | Thesis | | |
| Knights errant | Ryan, John | Article in Book | | 1998 |
| L'architecture Cistercienne en France | Aubert, Marcel | Monograph or Collective Volume | [s.n.] | 1947 |
| Les débuts de l'art cistercien en Irlande d'après les vestiges des abbayes de Mellifont (Louth) et de Baltinglass (WIcklow) | Beuer-Szlechter, H. V. | Article in Journal | | 1970 |
| Letters from Ireland, 1228-1229 | | Monograph or Collective Volume | | 1982 |
| Lithics from Bey More, Co. Meath | Brady, Conor | Article in Book | | 2023 |
| Location and landscape | Giblin, Aidan | Article in Book | | 2023 |
| Lumen Christi : the stained glass windows of Mount Saint Joseph Abbey | Walsh, Laurence, O.Cist. | Monograph or Collective Volume | Cistercian Press | 2009 |
| Lyres decorated with snakes, birds and hounds in Táin Bó Fraích | Whitfield, Niamh | Article in Book | | 2012 |
| Mainistir na Búille. Tús agus turnamh | Mag Riabhaigh, Seán | Article in Journal | | 1994 |
| Medieval Ireland in Cistercian records | Hennig, John | Article in Journal | | 1950 |
| Mellifont : from monastery to mansion | Moss, Rachel | Article in Journal | | 2007 |
| Mellifont abbey | Leask, H. G. (Harold G.) | Article in Journal | | 1947 |
| Mellifont Abbey | Stalley, Roger | Article in Journal | | 1980 |
| Mellifont abbey : some observations on its architectural history | Stalley, Roger | Article in Journal | | 1975 |
| Mellifont Abbey, Co. Louth: a study of its post-dissolution architecture 1540-1727 | Loeber, RolfO'Brien, KevinStout, Geraldine | Article in Journal | | 2016 |
| Metal artefacts from Beaubec, Co. Meath | Scully, Órla | Article in Book | | 2023 |
| Miscellanea. 6. An Irish record of the murder of a Scottish bishop | Smith, Charles | Article in Journal | | 2012 |
| Monkstown castle | O'Conor, Don | Article in Journal | | 1993 |
| Monkstown Castle - a silent witness to history | Cannon, Séamus | Article in Journal | | 2016 |
| Na manaigh liatha in Éirinn, 1142-c.1600 | Mac Niocaill, Gearóid | Monograph or Collective Volume | Cló Morainn | 1959 |
| Na Manaigh Liatha sa 17ú céad : trí cáipéisí | Mac Niocaill, Gearóid | Article in Journal | | 1956 |
| Norman splendour : Duiske Abbey, Graignamanagh | Carvill, G. | Monograph or Collective Volume | Blackstaff Press | 1979 |
| Norman splendour : Duiske abbey, Graignamanagh | Carville, Geraldine | Monograph or Collective Volume | | 1979 |
| Notes on medieval Donegal [I]|Notes on medieval Donegal II|Notes on medieval Donegal III | Ó Canann, Tomás G. | Article in Journal | | 2016 |
| Notes on the land-grant of John, Lord of Ireland, to the Cistercians of Mainister an Enaigh (de Magio), county Limerick | Fitzgerald, M. J. | Article in Journal | | 1953 |
| On a fertile rock : the Cistercian Abbey of Corcomroe | MacMahon, Michael | Article in Journal | | 1997 |
| On a fertile rock : the Cistercian abbey of Corcomroe | MacMahon, Michael | Monograph or Collective Volume | Kincora Press | 2000 |
| Original charter granted by John, lord of Ireland, to the abbey of Mellifont | NA | Article in Journal | | 1846 |
| Petra Fertilis : the uncertain history of the Cistercian church at Corcomroe | Stalley, Roger | Article in Book | | 2004 |
| Petrographical report on the stone axehead from Bey More, Co. Meath | Mandal, Stephan | Article in Book | | 2023 |
| Piedmont | Johnson, Don | Article in Journal | | 2019 |
| Plant macrofossils from Beaubec, Co. Meath | Johnston, Penny | Article in Book | | 2023 |
| Pottery from Beaubec, Co. Meath | Meenan, Rosanne | Article in Book | | 2023 |
| Preliminary report on archaeological work in the River Quaile at Inch abbey, 1991-2 | Foley, Claire | Article in Journal | | 1994 |
| Recent excavations at Old Mellifont Abbey | Murphy, DonaldStirland, Jon | Article in Journal | | 2017 |
| Rediscovering Columba's monastery at Durrow, Co. Offaly | O'Brien, Elizabeth | Article in Book | | 2012 |
| Registrum epistolarum Stephani de Lexington abbatis de Stanlegia et de Savigniaco | | Article in Journal | | 1952 |
| Reproducing the past : making replicas of Irish antiquities | Ó Floinn, Raghnall | Article in Book | | 2012 |
| Saint Malachy and the introduction of Cistercian monasticism to the Irish church: some suggestive evidence from Newry Abbey | Flanagan, Marie-Therese | Article in Journal | | 2009 |
| Saving their souls : the Uí Briain Kings of Thomond | Ó Riain-Raedel, Dagmar | Article in Journal | | 2015 |
| Seven documents from the old abbey of Mellifont | | Article in Journal | | 1953 |
| Skryne's link with St Mary's Abbey | Anonymous | Article in Journal | | 1987 |
| Some account of the parish of Graig-na-managh | Comerford, M., P.P. | Article in Journal | | 1883 |
| Some Irish Cistercian documents | | Article in Journal | | 1913 |
| Some records of a Cistercian abbey : Holm Cultram, Cumberland | | Monograph or Collective Volume | | 1899 |
| Sources for the history of the Irish Cistercians, 1142-1540 | Conway, Colmcille | Article in Journal | | 1958 |
| St Bernard as an historian : the 'Life of St Malachy of Armagh' | O'Dwyer, B. W. | Article in Journal | | 1978 |
| St Columba's monastery at Durrow : some additional discoveries | King, Heather | Article in Book | | 2012 |
| St Flannan and St Rícenn: labouring kings and literate mothers in medieval Clare | Swift, Cathy | Article in Journal | | 2013 |
| St Malachy, St Bernard of Clairvaux, and the Cistercian order | Flanagan, Marie Therese | Article in Journal | | 2015 |
| St Mary's Abbey, 841-1156-1539 | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1955 |
| St Patrick's Purgatory : pilgrimage motifs in a medieval otherworld vision | Zaleski, C. G. | Article in Journal | | 1985 |
| St. Mary's Cistercian abbey, Dublin : a ghost in the alleyways | Doran, Bill,Doran, Linda, | Article in Book | | 2009 |
| Stephen of Lexington | | Monograph or Collective Volume | Cistercian Publications | 1982 |
| Stones collected ' On a wild Burren mountain' - the archives of Mount Mellary Abbey | Ó Maidín, Uinseann | Article in Journal | | 2005 |
| Strange goings-on in Roscrea, 1477 and 1995 | Ó Cróinín, Dáibhí | Article in Book | | 2012 |
| Studies in Irish Cistercian history | Donovan, FinbarrÓ Conbhuidhe, Colmcille | Monograph or Collective Volume | Four Courts | 1998 |
| Studies in Irish Cistercian history : 1, The Irish Cistercians under the Tudors, 1539-1603 | Ó Conbhuidhe, C. | Article in Journal | | 1965 |
| Studies in Irish Cistercian history : 2, the Irish Cistercians under the Stuarts | Ó Conbhuidhe, C. | Article in Journal | | 1965 |
| Studies in medieval Cistercian history presented to J.F. O'Sullivan | Anonymous | Monograph or Collective Volume | | 1971 |
| Studies in medieval Cistercian history presented to Jeremiah F. O'Sullivan | O'Callaghan, Joseph F. | Monograph or Collective Volume | Irish University Press | 1971 |
| Summary of archaeological excavations, 1982-1994 | Lynch, Ann | Article in Book | | 2003 |
| Taxation of the Irish Cistercian houses, c.1329-1479 | Ó Conbhuidhe, Colmcille | Article in Journal | | 1964 |
| Taxation of the Irish Cistercian houses, c.1329-1479 | Conway, Colmcille | Article in Journal | | 1964 |
| Textes et manuscrits cisterciens dans diverses bibliothèques | Leclercq, Jean | Article in Journal | | 1965 |
| The abbatial succession at Mellifont, 1142-1539 | Conway, Colmcille | Article in Journal | | 1961 |
| The abbatical succession at Mellifont, 1142-1539 | Conway, Colmcille | Article in Journal | | 1961 |
| The abbey of Savigny (Manche) in Britain and Ireland in the 12th century : three overlooked documents | Allen, Richard | Article in Journal | | 2018 |
| The Annals of Connacht and Loch Cé and the monasteries of Boyle and Holy Trinity | O'Dwyer, B. W. | Article in Journal | | 1972 |
| The archaeology of Ireland | Harbison, Peter | Monograph or Collective Volume | The Bodley Head | 1976 |
| The architecture of the Cistercian churches of Ireland, 1142-1272 | Stalley, Roger | Article in Book | | 1986 |
| The architecture of the Cistercian order in Ireland in the 12th and early 13th centuries | Leask, H. G. (Harold G.) | Article in Journal | | 1939 |
| The Armagh-Clogher dispute and the "Mellifont conspiracy" : diocesan politics and monastic reform in early thirteenth-century Ireland | Smith, Brendan, 1963- | Article in Journal | | 1991 |
| The Bective Abbey project | Stout, Geraldine | Article in Journal | | 2011 |
| The brothers | Brennan, Peggy | Article in Journal | | 1990 |
| The Celtic monk : rules and writings of early Irish monks | Ó Maidín, Uinseann | Monograph or Collective Volume | Cistercian Publications | 1996 |
| The charter of John, lord of Ireland, in favour of the Cistercian abbey of Baltinglass | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1985 |
| The charters of the Cistercian abbey of Duiske in the county of Kilkenny | NA | Article in Journal | | 1918 |
| The Church and the two nations in medieval Ireland | Watt, J. A. | Monograph or Collective Volume | University P. | 1970 |
| The Cistercial monasteries of Ireland revisited | Stalley, Roger | Article in Book | | 2012 |
| The Cistercian abbey at Abbeylaragh, A.D. 1205-1540 | Kearney, Patrick | Article in Journal | | 1969 |
| The Cistercian abbey of Deer | Fawcett, Richard | Article in Book | | 2008 |
| The Cistercian abbey of Inislounaght | Conway, Colmcille | Article in Journal | | 1956 |
| The Cistercian Abbey of Kilbeggan, 1150-1540 | Masterson, Rory | Article in Journal | | 2004 |
| The Cistercian Abbey of St Mary de Castro Dei, Fermoy, Co. Cork | O'Sullivan, Denis | Article in Journal | | 1946 |
| The Cistercian abbey of St Mary de Fonte Vivo, diocese of Ross, Co. Cork | O'Sullivan, Denis | Article in Journal | | 1944 |
| The Cistercian Abbey of Tracton, Co. Cork | O'Sullivan, Denis | Article in Journal | | 1939 |
| The Cistercian abbeys of Munster | Power, Patrick | Article in Journal | | 1938 |
| The Cistercian abbeys of Tipperary | Donovan, FinbarrÓ Conbhuidhe, Colmcille | Monograph or Collective Volume | Four Courts | 1999 |
| The Cistercian grange : a medieval farming system | Stout, Geraldine | Article in Book | | 2015 |
| The Cistercian monasteries of Ireland : an account of the history, art and architecture of the White Monks in Ireland from 1142 to 1540 | Stalley, Roger | Monograph or Collective Volume | Yale University Press | 1987 |
| The Cistercian settlement of Ireland | Carville, Geraldine | Article in Journal | | 1973 |
| The Cistercians at Rothe House | Bolton, Jason | Article in Journal | | 2014 |
| The Cistercians in Wexford | Colfer, Billy | Article in Book | | 2007 |
| The Colcloughs | Cloney, Sean | Article in Book | | 2003 |
| The conspiracy of Mellifont, 1216 - 1231 : an episode in the history of the Cistercian order in medieval Ireland | Anonymous | Monograph or Collective Volume | Dublin historical Association | 1970 |
| The conspiracy of Mellifont, 1216-1231 : an episode in the history of the Cistercian order in medieval Ireland | O'Dwyer, B. W. | Monograph or Collective Volume | Historical Association | 1970 |
| The crisis in the Cistercian monasteries in Ireland in the early thirteenth century | O'Dwyer, B. W. | Article in Journal | | 1975 |
| The development of the road system in North Louth and South Armagh | Johnston, Don | Article in Journal | | 2018 |
| The Dominican annals of Dublin | Williams, Bernadette | Article in Book | | 2001 |
| The excavation of a late medieval ditch and other features at St Mary's Church, Macosquin, County Derry | McSparron, CormacPatterson, Rachel | Article in Journal | | 2009 |
| The foundation of the Cistercian Abbey of Dunbrody, Co. Wexford and its historical context | Doyle, Ian | Article in Journal | | 1992 |
| The foundation of Tintern Abbey, Co. Wexford | Bernard, J. H. (John Henry), 1860-1927 | Article in Journal | | 1917 |
| The garden God walked in : a meditation on the spirit of trees | Feehan, John | Article in Book | | 2012 |
| The growth and distribution of the Cistercian order in medieval Europe | Donkin, R. A. | Article in Journal | | 1967 |
| The heritage of Holy Cross | Carville, Geraldine | Monograph or Collective Volume | Blackstaff Press | 1973 |
| The high cross base at Seir Kieran, Co. Offaly | Harbison, Peter | Article in Book | | 2012 |
| The impact of the native Irish on the Cistercians in the thirteenth century | O'Dwyer, B. W. | Article in Journal | | 1967 |
| The introduction of the vertical watermill into Ireland : some recent archaeological evidence | Rynne, Colin | Article in Journal | | 1989 |
| The Irish audience of the Vita Sancti Malachiae | Patterson, Raymond A. | Article in Journal | | 2007 |
| The Irish Cistercian documents in Octavian's Register, Armagh | Conway, Colmcille | Article in Journal | | 1957 |
| The lands of St Mary's Abbey, Dublin | Conway, Colmcille | Article in Journal | | 1963 |
| The lands of St Mary's Abbey, Dublin, at the dissolution of the abbey : the demesne lands and the grange of Clonliffe | Conway, Colmcille | Article in Journal | | 1961 |
| The last abbot of Mellifont | Murray, L. P. | Article in Journal | | 1937 |
| The last monks and abbots of Bective | Hogan, Flannan | Article in Journal | | 1976 |
| The last of the White-Abbey, in the parish of Carnmoney and county of Antrim, adjoining the city of Belfast | Bigger, Francis Joseph, 1863-1926 | Article in Journal | | 1926 |
| The Mac Dermots of Moylurg. Familial origins and connections with Boyle Abbey | O'Reilly, William | Article in Journal | | 1994 |
| The man from Roscrea : famous or infamous? | Ó Riain-Raedel, Dagmar | Article in Book | | 2012 |
| The medieval story of Saint Cronán of Roscrea | Ó Riain, Pádraig | Article in Book | | 2012 |
| The monasteries of Ireland : an introduction | Mould, D. D. C. P. | Monograph or Collective Volume | Batsford | 1976 |
| The monk from Latlycam | Connolly, John R. | Article in Journal | | 2005 |
| The monks and attorneys of Beabec iuxta Drogheda, c.1300-1400 | Thornton, David E. | Article in Book | | 2023 |
| The Motte, Wheatfield, Portmarnock | Byrne, Joseph | Article in Journal | | 2011 |
| The occupation of Celtic sites in Ireland by the canons regular of St. Augustine and the Cistercians | Carville, Geraldine | Monograph or Collective Volume | Cistercian Publications | 1982 |
| The origin of Mount Melleray Abbey | Heaney, Columban | Article in Journal | | 1983 |
| The origins of Jerpoint abbey, Co. Kilkenny | Conway, Colmcille | Article in Journal | | 1963 |
| The origins of St Mary's abbey, Dublin | Gwynn, Aubrey | Article in Journal | | 1949 |
| The pictorial mosaic tiles form Baltinglass Abbey, Co. Wicklow | Fanning, Thomas | Article in Book | | 1987 |
| The problem of reform in the Irish Cistercian monasteries and the attempted solution of Stephen of Lexington in 1228 | O'Dwyer, B. W. | Article in Journal | | 1964 |
| The role of a Cashel man in the abolition of slavery | Dowling, Thomas | Article in Journal | | 2023 |
| The sculpture of the cloister of Jerpoint abbey | Rae, E. C. | Article in Journal | | 1966 |
| The story of Mellifont | Conway, Colmcille | Monograph or Collective Volume | Gill | 1958 |
| The suppression of Irish Cistercian abbeys | Conway, Colmcille | Article in Journal | | 1959 |
| The topography of St Mary's Cistercian abbey and precinct, Dublin | Stout, Geraldine | Article in Book | | 2012 |
| The village of the monks : Duiske Abbey, Graignamanagh | Dunny, PatrickO'Leary, M. | Monograph or Collective Volume | The authors | 1980 |
| The Welsh Cistercians and Ireland | Williams, David H. (David Henry), 1933- | Article in Journal | | 1980 |
| Theobald Walter and the abbey of Owney | Butler, R. | Article in Journal | | 1992 |
| Three unpublished Cistercian documents | NA | Article in Journal | | 1953 |
| Three unpublished Cistercian documents | [Ó Conbhuí], Colmcille | Article in Journal | | 1955 |
| Tintern Abbey county Wexford : Cistercians and Colcloughs, eight centuries of occupation | | Monograph or Collective Volume | Friends of Tintern | 2003 |
| Tintern Abbey down through the ages | Roche, Dermot P. | Article in Journal | | 2010 |
| Tintern Abbey, county Wexford | Colfer, Billy | Article in Book | | 2003 |
| Triumphalia chronologica monasterii Sanctae Crucis in Hibernia. De Cisterciensium Hibernorum viris illustribus | Hartry, MalachyMurphy, Denis | Monograph or Collective Volume | | 1891 |
| Two charters of Prince John, lord of Ireland | Brooks, E. St. J. | Article in Journal | | 1955 |
| Two early Cistercian abbots of the Isles : Blessed Christian O'Conarchy of Mellifont, Ireland, and Blessed Waltheof of Melrose, Scotland | Merton, Thomas | Article in Journal | | 2007 |
| When the abbot laid down the law : the exempt jurisdiction of Newry | Anonymous | Article in Journal | | 1990 |
| Who controlled Roscrea in the twelfth century? | Bhreathnach, Edel | Article in Book | | 2012 |
| Who stole St Buite's head? gossip and guilt in sixteenth-century Louth | Gillespie, Raymond | Article in Book | NA | 2012 |
| Women who keep God's vigil : the Glencairn story | Walsh, Kilian J. | Monograph or Collective Volume | Clonmore & Reynolds | 1964 |
| Wooden artefacts and samples from Beaubec, Co. Meath | Moore, CaitríonaOCarroll, Ellen | Article in Book | NA | 2023 |