| "A picture of Famine and wretchedness" : the women of County Leitrim during the Great Hunger | MacAtasney, Gerard | Article in Book | Irish Great Hunger Institute Quinnipiac | 2016 |
| "Begorra, Paddy, the Clergy have the Power yet": priests of the Province of Armagh and their portrayal in the folklore of the Schools' Collection (1937-38 | Ryan, Salvador | Article in Journal | | 2021 |
| "Let there be light" : ... so it came to pass | Gill, SeanGilligan, Billy | Article in Journal | | 1998 |
| 'A Protestant Sinn Féiner' | Dougan, Quincey | Article in Journal | | 2018 |
| 'A star of the first magnitude' : William Bedell (1571-1642), bishop of Kilmore and Gaelic culture | Caball, Marc | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| 'Cumhaidh na cléire', a '98 poem from north Leitrim | Ó Mórdha, Séamus | Article in Journal | | 1958 |
| 'In memoriam' John McGahern (1934-2006) | Mikowski,Sylvie | Article in Journal | | 2006 |
| 'Surrender and regrant mark II': the indenture between Brian O'Rourke, chief of west Breifne and Sir Nicholas Malby (1577) | Maginn, Christopher | Article in Journal | | 2006 |
| 'This publick injustice': a Jacobite paper concerning the Restoration land settlement | Griffin, Stephen | Article in Journal | | 2023 |
| 16 lives : Seán Mac Diarmada | Feeney, Brian | Monograph or Collective Volume | O'Brien Press | 2014 |
| 1641 rebellion in Leitrim | Mac An Ghallóglaigh, Domhnall | Article in Journal | | 1965 |
| 1880s' Breifne farm labourers: an aspect of the Land War | Lane, Padraig G. | Article in Journal | | 2014 |
| 1916....the second in a series of four articles in which Sean Murphy details the family histories of leaders of the 1916 Rising | Murphy, Sean | Article in Journal | | 2016 |
| A curious crock: a copper alloy vessel from a possible coin hoard discovered at Sheemore Hill, County Leitrim | Gilligan, Donna | Article in Journal | | 2016 |
| A flame now quenched : rebels and Frenchmen in Leitrim, 1793-1798 | Kelly, Liam | Monograph or Collective Volume | Lilliput | 1998 |
| A forgotten penal-day church in Kinlough | Ó Gallachair, Pádraig | Article in Journal | | 1958 |
| A hundred years of Carrigallen school : a commemorative history celebrating a hundred years of Bredagh School, Carrigallen | Anonymous | Monograph or Collective Volume | Carrigallen National School | 1993 |
| A hundred years of Carrigallen School : a commemorative history celebrating a hundred years of Bredagh School, Carrigallen | | Monograph or Collective Volume | [Bredagh School, Carrigallen] | 1995 |
| A journey ... a dream : the Drumshanbo nuns' story, 1864-2000 | Horan, Margaret V. | Monograph or Collective Volume | The author | 2000 |
| A journey to Cavan and Leitrim in 1849 | Black, LynnPower, William | Article in Journal | | 1999 |
| A Leitrim victim of the French Revolution | Mooney, Canice | Article in Journal | | 1964 |
| A list of Protestants in the barony of Mohill, Co. Leitrim, in 1792 | Ffolliott, Rosemary | Article in Journal | | 1984 |
| A medieval island church in Lough Garadice | Earley, Joseph E.Ó Seaneachain, Diarmuid | Article in Journal | | 2015 |
| A pastoral vision : Canon Joseph Guinan and the clerical social project in Edwardian Ireland | Maume, Patrick | Article in Journal | | 2005 |
| A shale axehead from Friarstown, Dromahair, Co. Leitrim | Clinton, Frank | Article in Journal | | 2021 |
| A sixteenth-century saint's life: the second Irish life of St Maedoc | Gillespie, Raymond | Article in Journal | | 2004 |
| A view from Manor Vaughan | Strutt, Hedley | Article in Journal | | 2009 |
| Above and below ground : traces of life and death in prehistoric Leitrim | Gilligan, Donna | Article in Book | | 2019 |
| Accidental Nazis? The Irishmen who joined the Waffen-SS | Mulqueen, John | Article in Journal | | 2024 |
| Agricultural policy and land tenure in an Irish marginal county [Leitrim] | Grimes, Seamus | Article in Journal | | 1988 |
| Altbeagh cottage and Ravenswood | Cunningham, T. P. | Article in Journal | | 1983 |
| An alphabetical list of the family names of county Leitrim | Turner, Brian | Monograph or Collective Volume | Ulster Museum | 1974 |
| An introduction to County Leitrim | Condit, TomGibbons, Michael | Article in Journal | | 1989 |
| An introduction to the architectural heritage of County Leitrim | National Inventory of Architectural Heritage | Monograph or Collective Volume | Dept. of the Environment and Local Government, National Inventory of Architectural Heritage; Dúchas, The Heritage Service | 2004 |
| An outward-looking community? Ribbonism and popular mobilisation in pre-Famine Leitrim, 1830-1846 | Kelly, Jennifer | Thesis | | 2005 |
| An unlucky break or great crack! | Buckley, Victor | Article in Journal | | 1999 |
| Ancient funeral route to Clonmacnoise, retraced by Drum Heritage Group | Egan, Edward | Article in Journal | | 1996 |
| Anger vented on Wesley's hat! | McCabe, E. | Article in Journal | | 1998 |
| Archaeological inventory of county Leitrim | | Monograph or Collective Volume | The Stationery Office | 2003 |
| Ballinaglera and Inishmagrath : the history and traditions of two Leitrim parishes | Clancy, EllenClancy, Peter S.Forde, John ChristopherForde, Patrick J. | Monograph or Collective Volume | The author | 2003 |
| Ballinaglera parish, co. Leitrim : aspects of its history and traditions | Clancy, EileenForde, P. J. | Monograph or Collective Volume | The authors | 1980 |
| Beyond Chronicle: The Deceptive Realism of John McGahern's Fiction | McKeon, Belinda | Article in Journal | | 2011 |
| Bishop William Bedell, 1571-1642 : his life, work and contemporaries | NA | Monograph or Collective Volume | Cumann Seanchais Bhreifne | 2025 |
| Book of Fenagh. supplementary volume | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1939 |
| Bréifne and its chieftains, 1 : 940-1300; 2 : 1300-1560 | Mac An Ghallóglaigh, Domhnall | Article in Journal | | 1989 |
| Breifne in nineteenth-century Ontario | Murphy, Pat | Article in Journal | | 2007 |
| Breifne men in the Hôtel Royal des Invalides | Ó hAnnracháin, Eoghan | Article in Journal | | 2002 |
| Brian McEnroy: an account of his role as secretary of the Glenade Land League 1880-1881 and the first prosecution under the police acts in Ireland for "illegal assembly" | McGovern, Geraldine | Article in Journal | | 2023 |
| Brother Potamian O'Reilly, (1846-1917) : a great Breifne scientist and educator | De Paor, Annraoi | Article in Journal | | 2003 |
| By Hereditary Virtues: A History of Lough Rynn | Slevin, Fiona | Monograph or Collective Volume | Coolabawn | 2020 |
| By heredity virtues : a history of Lough Rynn | Slevin, Fiona | Monograph or Collective Volume | Coolabawn Publishing | 2006 |
| Caillín of Fenagh | Ó Riain, Pádraig | Article in Book | | 2016 |
| Campfire fever unbridled: Kings of the Irish Neolithic? | Meehan, Pádraig | Article in Journal | | 2021 |
| Can any good thing come out of Leitrim? | Johnston, Tom | Article in Journal | | 1988 |
| Canúint Mhuintir Chionnaith agus Chlann Fhearmaighe | Ó Ceilleachair, Stiofán | Article in Journal | | 1967 |
| Carrick-on-Shannon | Gilligan, Billy | Article in Journal | | 1998 |
| Carrick-on-Shannon past and present : a pictorial record | Carrick-on-Shannon and District Historical Society | Monograph or Collective Volume | Carrick-on-Shannon and District Historical Society | 2002 |
| Carrick-on-Shannon Railway | Smith, Shane | Article in Book | | 2006 |
| Carrick-on-Shannon's Cinema Paradiso | Gilligan, Billy | Article in Journal | | 1998 |
| Carrick-on-Shannon, 1844 | O'Reilly, G. H. | Article in Journal | | 2014 |
| Carrigallen parish in 1821 | McKiernan, Francis | Article in Journal | | 1962 |
| Cathy Carman dreamworks | McAvera, Brian | Article in Journal | | 2010 |
| Churches of the diocese of Kilmore | Kelly, Liam | Monograph or Collective Volume | Booklink | 2005 |
| Cloone, county Leitrim : a monastery village, 1798-1901 | Heslin, Bríd | Article in Book | | 2004 |
| Collateral damage : the Spanish Armada, County Leitrim, and the downfall of Brian ‘na Múrtha’ O’Rourke | Kelly, Francis | Article in Book | | 2019 |
| Come on Cannaboe : 100 years of Ballinamore, Seán O'Heslin's G.A.A. club | Ó Suilleabhain, Seán | Monograph or Collective Volume | Seán O'Helin's G.A.A. Club | 1989 |
| Common elements for heights in the place-names of co. Leitrim | Ó Cearbhaill, Pádraig | Article in Journal | | 2016 |
| Community purpose | Murphy, Orla | Article in Journal | | 2009 |
| Conflict over the rectory of Cinel Luachain during the fifteenth century | Boyle, Leonard E.Earley, Joseph E. | Article in Journal | | 1999 |
| Connaught : the counties Galway, Mayo, Sligo, Leitrim and Roscommon in Ireland | Jennett, Seán | Monograph or Collective Volume | Faber | 1970 |
| Consequences of the Great Hunger in County Leitrim | MacAtasney, Gerard | Article in Book | | 2019 |
| Contemporary landscape pressures and opportunities : the quest for a sustainable future for Leitrim | McManus, Ruth | Article in Book | | 2019 |
| Contending coarbs:"Cindus fuair Mlaise in Bealach?" | Smith, Peter J. | Article in Journal | | 2014 |
| Convicts from Leitrim and Cavan transported to Botany Bay : 1791-1800 | Kelly, Liam | Article in Journal | | 2001 |
| Corn mills of Leitrim | Ó Maolagáin, Pádraig | Article in Journal | | 1992 |
| Corrawallen: local history in a small townland | McCabe, Martin | Article in Journal | | 2011 |
| Costello memorial chapel | McCabe, E. | Article in Journal | | 1998 |
| Count John O'Rourke's 'Treatise on the art of war' | Hally, P. J. | Article in Journal | | 1969 |
| Counties of south Ulster, 1834-38 : Cavan, Leitrim, Louth, Monaghan and Sligo | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1998 |
| Creevelea Abbey | Kelly, Theresa | Article in Journal | | 2018 |
| Death customs in rural Ireland : traditional funerary rites in the Irish midlands | Ridge, Anne | Monograph or Collective Volume | Arlen House | 2009 |
| Defenderism in Leitrim during the 1790s | Kelly, Liam | Article in Journal | | 1986 |
| Deireadh Ré : Carrick-on-Shannon Vocational School, 1932-1994 | Carrick-on-Shannon Vocational School | Monograph or Collective Volume | Carrick-on-Shannon Vocational School | 1998 |
| Deported : the story of Jimmy Gralton, Effernagh, Gowel, Co. Leitrim | Guckian, Des | Monograph or Collective Volume | Westmeath Examiner | 1986 |
| Double ground | Croft, Amanda | Article in Journal | | 2010 |
| Down memory lane : the Sligo Leitrim and Northern counties railway | Hamilton, Mike | Monograph or Collective Volume | Drumlin | 1997 |
| Dromahaire : story and pictures | Ó Duigneáin, Pronnsíos | Monograph or Collective Volume | Drumlin | 1990 |
| Drumlease : two centuries of a Church of Ireland parish in country Leitrim | Gillmor, Desmond A. | Monograph or Collective Volume | Gillmor Publications | 2021 |
| Early colonisation of Breifne | O'Connell, Philip | Article in Journal | | 1958 |
| Early medieval archaeology in County Leitrim, AD 400-1100 | Curran, Susan | Article in Book | | 2019 |
| Early medieval hand-bells from Breifne | Bourke, Cormac | Article in Journal | | 2018 |
| Enchantment in the walls: the possible use of a concealed bronze spearhead as a protective charm in a house in Corglass, County Leitrim | Gilligan, Donna
| Article in Journal | | 2017 |
| Excavating a mythological landscape: the 1931 amateur excavation of Sheebeg Cairn in Souuth County Leitrim | Gilligan, Donna | Article in Journal | | 2015 |
| Experiences and perceptions of rural women in the Republic of Ireland: studies in the border region | Gillmor, DesmondMcNerney, Catherine | Article in Journal | | 2005 |
| Extracts from the Roscommon & Leitrim Gazette 1846/1847 | | Article in Journal | | 1996 |
| Fenagh in 1516 : the social and religious context for the Book of Fenagh | Kelly, LiamScott, Brendan | Article in Book | | 2016 |
| Fenagh: The Church of Ireland story | Leyden, Padraig | Monograph or Collective Volume | Fenagh Church Restoration Committee | 1989 |
| Fiddle music in Longford and South Leitrim since Kiernan | Quinn, John, PP | Article in Journal | | 2008 |
| Franciscans in County Leitrim, 1508-c.1800 | Kelly, Liam | Article in Book | | 2019 |
| From age to age : one hundred years of growth, 1899-1999 : a centenary of local government in county Leitrim | Leitrim County CouncilO'Donovan, Denis | Monograph or Collective Volume | Leitrim County Council | 1999 |
| From age to age = Ó aois go h-Aois : one hundred years of growth 1899-1999 : centenary of local government in County Leitrim | | Monograph or Collective Volume | Leitrim County Council | 1999 |
| From Carrick-on-Shannon to Australia | MacAtasney, Gerard | Article in Journal | | 1998 |
| From Carrigdrumruske to Carrick-on-Shannon : the St George estate, 1613-1864 | Lynch, Mairead | Monograph or Collective Volume | Four Courts Press | 2024 |
| From Rosclogher to Rooskey : the Leitrim story | Ó Rúaní, Lorcán | Monograph or Collective Volume | Cumann Seanchais Ros Inbhir | 1996 |
| From tragedy to triumph ; new perspectives on the life and legacy of the Leitrim-based Doctor Paddy Muldoon | Logan, David | Monograph or Collective Volume | Independently published - David Logan | 2023 |
| Gems of Architecture: St Catherine's Church, Fenagh, Co. Leitrim | Marshall, Julie | Article in Journal | | 2017 |
| Glowing embers: stories, poems and period photographs | | Monograph or Collective Volume | Sligo Active Retirement Writers | 2012 |
| Gorvagh 1677-1987 in print and picture | Anonymous | Monograph or Collective Volume | St Joseph's Church | 1989 |
| GSR 'demonstration' special Arigna to Adoon Sunday 14 June 1936 | Davies, Michael | Article in Journal | | 2017 |
| Guide to the Breifne Journal, 1958-2002 | Kelly, Liam | Article in Journal | | 2003 |
| Hatley manor | Molloy, Pat | Article in Journal | | 1998 |
| Hillforts in Sligo and Leitrim | Condit, TomGibbons, MichaelTimoney, Martin A. | Article in Journal | | 1991 |
| History of Leitrim | O'Flynn, T. M. | Monograph or Collective Volume | Fallon | 1937 |
| Holding of archival records, minute books etc. | Leitrim County Library | Monograph or Collective Volume | The library | 1981 |
| I remember, I remember | Stoker, Bridget | Article in Journal | | 1998 |
| Imagining St Caillín : the making of the Book of Fenagh | Gillespie, Raymond | Article in Book | | 2016 |
| In the shadow of Sliabh an Iarainn | Mac Atasney, Gerard | Article in Book | | 2012 |
| Industry in Leitrim | Reynolds, Seamus | Article in Journal | | 2020 |
| Ireland's 'Trail of Tears' | Ó Súilleabháin, Conchobar | Article in Journal | | 2023 |
| Jamestown | Guckian, J. J. | Article in Journal | | 1998 |
| Jamestown, Co. Leitrim; Cell Srianain, etc. | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1940 |
| Jimmy Gralton | Wrynn, James | Article in Book | | 2019 |
| Killukin mill | Murray, Seán | Article in Journal | | 1998 |
| Kiltubrid | Anonymous | Monograph or Collective Volume | G.A.A. History Committee | 1984 |
| Kiltubrid, county Leitrim : snapshots of a rural parish in the 1890s | Kelly, Liam | Monograph or Collective Volume | Four Courts | 2005 |
| Late medieval strongholds of Gaelic Irish in County Leitrim, c.1350-1600 | McDermott, J. J. | Article in Book | | 2019 |
| Leabharlann Chontae Liatroma : 75 bliain ar an saol | Ó Suilleabháin, Seán | Monograph or Collective Volume | Leitrim County Library | 2005 |
| Lease of the Friary of Crevalea (Dromahaire) in County Leitrim to Owen Wynne, 1 April 1658 | Millett, Benignus | Article in Journal | | 1999 |
| Leitrim 1600-1641 | Mac An Ghallóglaigh, Domhnall | Article in Journal | | 1971 |
| Leitrim : material on Leitrim in county library, Ballinamore | Leitrim County Library | Monograph or Collective Volume | The library | 1981 |
| Leitrim : politics and society, 1916-1922 | McGarty, Patrick (Pádraig) | Article in Book | | 2019 |
| Leitrim and the 1914-1918 war | Logan, John | Article in Book | | 2019 |
| Leitrim and the croppies 1776-1804 | Mac Atasney, Gerard | Monograph or Collective Volume | Carrick-on-Shannon and District Historical Society | 1998 |
| Leitrim and the great hunger, 1845-50 : a temporary inconvenience? | Mac Atasney, Gerard | Monograph or Collective Volume | Carrick-on-Shannon and District Historical Society | 1997 |
| Leitrim County Library : history, authors and books | Conefrey, Mary | Article in Book | | 2019 |
| Leitrim GAA millennium book | Ó Suilleabháin, Seán | Monograph or Collective Volume | Foilsibhe ag Coiste Chontae Liatroma Cuman Luth | 2000 |
| Leitrim history and society : interdisciplinary essays on the history of an Irish county | | Monograph or Collective Volume | Geography Publications | 2019 |
| Leitrim life : a photographic record of a landed estate by Anna Godley | Fitzpatrick, Orla | Article in Book | Geography Publications | 2019 |
| Leitrim of the lakes | Murray, Nora J. | Article in Journal | | 1935 |
| Leitrim plantation papers, 1620-22 | Mac Cuarta, Brian | Article in Journal | | 1999 |
| Leitrim priests in penal times | Logan, Dr. | Article in Journal | | 1946 |
| Leitrim scribes and scholars, c.1400-c.1700 | Cunningham, Bernadette | Article in Book | | 2019 |
| Leitrim's republican story, 1900-2000 | Ó Suilleabháin, Cormac | Monograph or Collective Volume | Cumann Cabhrach Liatroma | 2019 |
| Leitrim’s physical landscape | Hegarty, Susan | Article in Book | | 2019 |
| Leitrim’s sweat-houses : making health from nature | Foley, Ronan | Article in Book | | 2019 |
| Letters from a Leitrim Lady | Lockhart, Aisling | Article in Journal | | 2018 |
| List of some Irish words used in English conversation by the people of Gortlettra parish, Co. Leitrim | Mac Cionnaith, Seosamh | Article in Journal | | 1945 |
| Listoghil : a seasonal alignment? | Meehan, Pádraig | Monograph or Collective Volume | Gungho Publications | 2013 |
| Local government in County Leitrim, 1585-2014 | Potter, Matthew | Article in Book | | 2019 |
| Local memories and manipulation of the past in pre-famine County Leitrim | Kelly, Jennifer | Article in Book | | 2010 |
| Lord Leitrim's demesne in South Leitrim, 1840-1860 | Heslin, Bríd | Article in Journal | | 2002 |
| Lough Rynn : lives and times : a brief history of Lough Rynn Castle and estate, Mohill, Co. Leitrim | Slevin, Fiona | Monograph or Collective Volume | The author | 1997 |
| M. J. MacManus, journalist and poet | Rooney, John | Article in Journal | | 1998 |
| Mac Dorchaidh, chiefs of Cinel Luachain | Logan, Patrick | Article in Journal | | 1958 |
| Making the Book of Fenagh; context and text | | Monograph or Collective Volume | Cumann Seanchais Bhreifne | 2016 |
| Manorhamilton parish church 1783-1983 : glimpses of our history | Anonymous | Monograph or Collective Volume | [s.n.] | 1983 |
| Margaret (1813-1882) | Sheridan, Pat | Article in Journal | | 2018 |
| Marymount 1974-1994 | | Monograph or Collective Volume | Marymount College | 1994 |
| Medieval hospital system in Breifne | Logan, Patrick | Article in Journal | | 1970 |
| Medieval parish churches in Muintir Eolais, south County Leitrim | Scully, Siobhán | Article in Book | | 2019 |
| Medieval settlement in Leitrim, c.1169-c.1380 | Fredengren, ChristinaO’Conor, Kieran | Article in Book | | 2019 |
| Memoir | McGahern, John, 1934-2006 | Monograph or Collective Volume | Faber | 2005 |
| Memories & musings : boyhood memories of Leitrim | Gilchrist, Joe | Monograph or Collective Volume | Joe Gilchrist | 1993 |
| Memories of an old pupil of Derrycarne School | Jackson, Harold | Article in Journal | | 1986 |
| Methodism and the marriages of William Slacke (c.1740-1807) of Kiltubrid, Co. Leitrim | Kelly, Liam | Article in Book | | 2019 |
| Miscellanea. Polldownin (Polldingdong). Bears, bones and a Countess underground in County Leitrim | Dowd, Marion | Article in Journal | | 2016 |
| Mohil show | Masterson, M. J. | Article in Journal | | 1945 |
| Mohill's faces and places | McCole, Columba | Monograph or Collective Volume | St Joseph's Church | 1989 |
| Muintir Eolais chalice returns to its roots | | Article in Journal | | 2023 |
| Nathaniel Clements and the making of a Leitrim estate and political interest, c.1750-c.1800 | Malcomson, Anthony | Article in Book | | 2019 |
| New Leitrim high cross | Grant, Christine | Article in Journal | | 1994 |
| New materials, traditional practices: a Mesolithic silicified dolomite toolkit from Lough Allen, Ireland | Driscoll, KillianMenuge, JulianO'Keeffe, Emmett | Article in Journal | | 2014 |
| North Leitrim : the land war and the fall of Parnell | Ó Duigneáin, Pronnsíos | Monograph or Collective Volume | Drumlin | 1992 |
| North Leitrim in famine times, 1840-50 | Ó Duigneáin, Pronnsíos | Monograph or Collective Volume | The author | 1986 |
| Notes on Irish place names | Ó Tuathail, Éamonn | Article in Journal | | 1947 |
| Notes. Shoulder belt and pouch of the Leitrim rifles | Thompson, F. Glenn | Article in Journal | | 2003 |
| Ó aois go h-aois, céad bliain ag fás | O'Donovan, Denis | Monograph or Collective Volume | Leitrim County Council | 1999 |
| O'Rourke strongholds of west Breifne and some other chieftaincies : photographs with historic notes and maps | Anonymous | Monograph or Collective Volume | [s.n.] | 1993 |
| Old chruches in the parish of Rossinver, county Leitrim | Davies, Oliver | Article in Journal | | 2013 |
| Old churches in the parish of Rossinver, Co. Leitrim | Davies, Oliver | Article in Journal | | 1946 |
| Old Irish graveyards : County Leitrim | | Monograph or Collective Volume | Kabristan Archives | 2005 |
| Old mills of Ireland, Vol. 3 : a listing of the old mills of Ireland taken from mid-19th century Valuation Office documents | | Monograph or Collective Volume | William E. Hogg | 2012 |
| Old times | Gralton, Margaret | Article in Journal | | 1998 |
| On the banks of Mulroy Bay : stories and songs about William Sydney Clements, the third Earl of Leitrim | Long-Wilgus, Eleanor R.Wilgus, D. K., | Monograph or Collective Volume | The authors | 1995 |
| Opposing high taxation and praising the Irish people | Blair, Raymond A. | Article in Journal | | 2013 |
| Oughteragh in 1826 : a case study of rural sectarianism | Logan, John | Article in Journal | | 1976 |
| Patterns of education in the parish of Oughteragh, 1821 to 1871 | Meehan, Marie | Article in Journal | | 1981 |
| Place-names of County Leitrim | Ó Muraíle, Nollaig | Article in Book | | 2019 |
| Popular attitudes to formal medical care in early nineteenth-century County Leitrim | Kelly, Jennifer | Article in Journal | | 2008 |
| Profile of a landlord in folk tradition and in contemporary accounts - the third earl of Leitrim | Mac Philib, Séamus | Article in Journal | | 1988 |
| Public transport in Leitrim | Flanagan, Patrick | Article in Journal | | 1967 |
| Recollections of Carrick-on-Shannon Vocational School | McGinn, Patrick | Article in Journal | | 1998 |
| Records of bog butter finds in the Memoirs of the Irish Ordnance Survey, 1830-1839 | Synnott, Chris | Article in Journal | | 2003 |
| Reporting the 1641 rising in Cavan and Leitrim | Scott, Brendan | Article in Book | | 2009 |
| River Shannon bridge, Sligo line | Doyle, Oliver | Article in Journal | | 2010 |
| Rosclogher Castle: a Gaelic lordship centre on Lough Melvin, County Leitrim | McDermott, J.J.O'Conor, Kieran | Article in Journal | | 2015 |
| Sacred landscapes of Fenagh, county Leitrim | Read, Chris | Article in Book | | 2016 |
| Saints and manuscripts in sixteenth -century Breifne | Gillespie, Raymond | Article in Journal | | 2008 |
| Samuel Waters (1846-1936) of Woodview, Stillorgan | MacMahon, Bryan, 1949- | Article in Journal | | 2017 |
| Saving the medieval building on Church Island in Garadice Lake | Earley, Joseph E. | Article in Journal | | 2005 |
| Scéal Club Eanach Dubh | Anonymous | Monograph or Collective Volume | Des Guckian | 1983 |
| Scéal Gortleitreach : the Gortletteragh GAA story, 1889-1991 : plus an assorted history of the parish | Anonymous | Monograph or Collective Volume | Gortletteragh GAA | 1991 |
| Schooldays : a time of grace | McGahern, John, 1934-2006 | Article in Book | | 1996 |
| Scribes and scholars associated with the Book of Fenagh | Cunningham, Bernadette | Article in Book | | 2016 |
| Seán MacDiarmada and the tradition of rebellion in County Leitrim | Kelly, Liam | Article in Book | | 2019 |
| Select documents XIV. Vicissitudes of a middleman in county Leitrim, 1810-27 | | Article in Journal | | 1955 |
| Serving two masters: some perspectives from a shared archivist | Morris, Martin | Article in Journal | | 2011 |
| Seventeenth-century Leitrim : plantation to rebellion | Scott, Brendan | Article in Book | | 2019 |
| Sexual citizenship : rhetoric or reality for rural gay men in Ireland and England? | McKearney, Aidan | Article in Journal | | 2021 |
| Shaping Leitrim : local history and the worlds of Leitrim, 1660-1714 | Gillespie, Raymond | Article in Book | | 2019 |
| Sinn Fein : the first election, 1908 | Ó Duibhir, Ciarán | Monograph or Collective Volume | Drumlin | 1992 |
| Sinn Féin at work | Griffith, Arthur | Monograph or Collective Volume | [s.n.] | 1917 |
| Sir Edwin Lutyens: his influences, Irish connections and work | Pitcairn, Amanda | Article in Journal | | 2018 |
| Sir Frederick Hamilton | Mac An Ghallóglaigh, Domhnall | Article in Journal | | 1966 |
| Sir Frederick Hamilton (1590-1647), Leitrim planter | Rooney, Dominic | Article in Book | | 2019 |
| SL & NCR - 40 years closed | Anonymous | Article in Journal | | 1997 |
| Sligo, Leitrim and northern counties railway | Sprinks, Neil | Monograph or Collective Volume | Irish Railway Record Society | 1970 |
| Smoke amidst the drumlins Cavan and Leitrim in the 1950s | Burges, Anthony | Monograph or Collective Volume | Colourpoint Books | 2006 |
| Some county Leitrim wills | | Article in Journal | | 1960 |
| Some county Leitrim wills and leases, part 2 | O'Connell, Philip | Article in Journal | | 1965 |
| Some county Leitrim wills and leases. Part 3 | O'Connell, Philip | Article in Journal | | 1966 |
| Some historic houses of Tir Briun | Hanly, Shane | Article in Journal | | 1994 |
| Some Leitrim Franciscans of the past | Mooney, Canice | Article in Journal | | 1961 |
| Some local lore on fairs | Ní Sheasnain, Áine | Article in Journal | | 1984 |
| Some notes on Leitrim industry | Flanagan, Patrick | Article in Journal | | 1972 |
| Some notes on the high sheriffs of Co. Leitrim, 1701-1800 | Gray, Edward Stewart | Article in Journal | | 1941 |
| Some outrages in County Leitrim 1845 | Mac Sheoin, Tomás | Article in Journal | | 2022 |
| Some place names in Co. Leitrim | Pinkman, John | Article in Journal | | 1942 |
| Sport in County Leitrim, 1800-2016 : an overview | Moran, Tommy | Article in Book | | 2019 |
| St George's Church of Ireland | Rooney, John | Article in Journal | | 1998 |
| St Mary's Catholic Church | Rooney, John | Article in Journal | | 1998 |
| St. Patricks Church Aughawillan 1870-2020 | Quinn, Des | Monograph or Collective Volume | St. Patrick's Church Aughawillan | 2020 |
| Stair na Gaeilge i gContae Liatroma : faoi bhláth, faoi mheath agus ag treisiú arís | Ó Súilleabháin, Seán | Article in Book | | 2019 |
| Surnames of County Leitrim | Ó Suilleabhain, Seán | Article in Journal | | 1994 |
| Susan Mitchell | Guckian, Mary | Article in Journal | | 1998 |
| Tadhg Ó Rodaighe | Ó Ciardha, P. P. | Article in Journal | | 1978 |
| Tadhg Ó Rodaighe agus naisc an léinn le Parlaimint na bliana 1689 | Mac Muirí, Seosamh | Article in Book | | 2019 |
| Tadhg Ó Rodaighe and his school : aspects of patronage and poetic practice at the close of the Bardic era | Ó Macháin, Pádraig | Article in Book | | 2013 |
| Tadhg O Roddy and two surveys of Co. Leitrim | Logan, John | Article in Journal | | 1971 |
| The 'dobhur-chú' tombstones of Glenade, Co. Leitrim, 1 | Tohall, Patrick | Article in Journal | | 1948 |
| The 'Doon' of Drumsna - gateways to Connacht | Buckley, Victor M.Condit, Tom | Article in Journal | | 1989 |
| The 1852 Leitrim election | McNiffe, Liam | Article in Journal | | 1978 |
| The Arigna iron and coal works in the eighteenth and early nineteenth centuries | Hegarty, Susan | Article in Journal | | 2020 |
| The Armstrongs of Manorhamilton and West Gwillimbury : a study of settlement and migration patterns of Irish immigrants to upper Canada | Matthew, PatriciaNeff, Charlotte | Article in Journal | | 2019 |
| The Ballinamore and Ballyconnell canal | Flanagan, Patrick | Article in Journal | | 1970 |
| The Ballinamore and Ballyconnell canal | Flanagan, Patrick | Monograph or Collective Volume | David & Charles | 1972 |
| The Ballinamore and Ballyconnell canal : 2, the awards and acts, and their implications | Flanagan, Patrick | Article in Journal | | 1969 |
| The Ballinamore and Ballyconnell canal. Part 1 : the years of construction | Flanagan, Patrick | Article in Journal | | 1968 |
| The battle of Cúl Dreimne - a reassessment | Lacey, Brian | Article in Journal | | 2003 |
| The bells of Saints Caillín and Cuana : two twelfth-century cups | Bourke, Cormac | Article in Book | | 2000 |
| The blue stone : memoir of a childhood in county Leitrim | Higgins, Gerald P. | Monograph or Collective Volume | Tranquilla Publications | 2004 |
| The Book of Fenagh | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1940 |
| The Book of Fenagh: in Irish and English: originally compiled by St. Caillin, archbishop, abbot and founder of Fenagh, alias Dunbally of Moy-Rein, tempore St Patricii, with the contractions resolved and (as far as possible) the original text restored / | | Monograph or Collective Volume | The Stationery Office | 1939 |
| The Cavan and Leitrim railway | Flanagan, Patrick | Monograph or Collective Volume | David & Charles | 1966 |
| The changing rural landscape of north Leitrim from mid-seventeenth century to mid-nineteenth century | Grimes, Seamus | Article in Journal | | 1968 |
| The Clancys of Dartry and the Spanish connection | Glancy, Maria | Article in Journal | | 1996 |
| The Clements archive | Malcomson, A. P. W. | Monograph or Collective Volume | Irish Manuscripts Commission | 2010 |
| The comharba family of Ó Maolmochéirghe of Drumreilly | MacCotter, Paul | Article in Book | | 2019 |
| The Conolly archive | Malcomson, A. P. W.Walsh, Patrick, | Monograph or Collective Volume | Irish Manuscripts Commission | 2010 |
| The damselflies and dragonflies (Insecta: Odonata) of counties Sligo and Leitrim | Cotton, Don C.F. | Article in Journal | | 2016 |
| The dead buried by the dying : the Great Famine in Leitrim | Macatasney, Gerard | Monograph or Collective Volume | Merrion | 2014 |
| The Diocese of Kilmore : c.1100-1800 | Kelly, Liam | Monograph or Collective Volume | Columba Press | 2017 |
| The Donegal poems in the Book of Fenagh | Simms, Katharine | Article in Journal | | 2008 |
| The Drunken Man's Freaks | Quinn, John, PP | Article in Journal | | 2008 |
| The earl of Leitrim and flax growing in County Leitrim in the 1860s | Blair, Raymond A. | Article in Journal | | 2014 |
| The early seventeenth-century Ulster and Midland plantations, part 2 : the new architecture | Loeber, Rolf | Article in Book | | 2012 |
| The fabulous fifties in Leitrim | O'Connell, Kathleen Gaffney | Article in Journal | | 1998 |
| The face of time : Leland Lewis Duncan, 1862-1923 : photographs of County Leitrim | Kelly, Liam | Monograph or Collective Volume | Lilliput Press | 1995 |
| The flight of the bald warriors : the story of a rural Irish family at the turn of the twentieth century | Mollahan, Ciarán | Monograph or Collective Volume | Ciaran Molahan [Printed by Abbeyset Print, Cavan] | 2010 |
| The forgotten Peterhead men. Longford-Leitrin links with the Border Raids of 1922 | Brady, Gerry | Article in Journal | | 2007 |
| The Gaelic lordship of west Bréifne : a strategic conundrum of the Elizabethan wars in Ireland | Kelly, Francis | Article in Book | | 2025 |
| The Godleys of Killegar | Kilbracken, John | Article in Book | | 2001 |
| The Gralton affair : the story of the deportation of Jim Gralton, Leitrim socialist, in 1933 | Feeley, Pat | Monograph or Collective Volume | Coolock Free Press | 1986 |
| The great famine in south Leitrim | Heslin, Bríd | Article in Journal | | 1997 |
| The great famine in south Leitrim | Hoslin, Brid | Article in Journal | | 1996 |
| The growth of Methodism in Leitrim and Cavan : 1750-1800 | Kelly, Liam | Article in Journal | | 2002 |
| The history and heritage of Crummy National School, 1885-1971 | | Monograph or Collective Volume | Crummy National School | 1998 |
| The history of Breifne O'Reilly | O'Reilly, J. J. | Monograph or Collective Volume | Vantage P. | 1976 |
| The identification of Aughnagrany and its correlation with 'Achadh Gréine' in 'Betha Beraigh' (The Life of Saint Barry) | Quinn, John | Article in Journal | | 2014 |
| The importance of the tower house in the late medieval society of Breifne | McCarthy, Judith | Article in Journal | | 1989 |
| The Irish revenues of Oliver St John, Viscount Grandison for 1625-9 | Mac Cuarta, Brian | Article in Journal | | 2014 |
| The Irish Revolution, 1912-23: Leitrim | McGarty, Patrick | Monograph or Collective Volume | Four Courts | 2020 |
| The ITGWU in Leitrim, Roscommon & Sligo, 1918-1930 | Devine, Francis | Article in Journal | | 2020 |
| The killing of Methodist farmer, John Harrison, Drumreilly, Ballinamore, in the War of Independence | Mc Niffe, Liam | Article in Journal | | 2021 |
| The Land League in Leitrim 1879-83 | Mac An Ghallóglaigh, Domhnall | Article in Journal | | 1983 |
| The last days of William Bedell in early-modern Irish history and memory | Darcy, Eamon | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| The Leitrim election of 1852 | McNiffe, Liam | Article in Book | | 2019 |
| The leper hospitals of the Upper Shannon area | Lee, Gerard A. | Article in Journal | | 1975 |
| The life and career of P.A. McHugh, a north-Connacht politician, 1859-1909 : a footsoldier of the Party | Ní Liatháin, Íde | Monograph or Collective Volume | Irish Academic Press | 1999 |
| The life and times of Sir Frederick Hamilton, 1590-1647 : 'The Bragger' | Rooney, Dominic | Monograph or Collective Volume | Four Courts | 2013 |
| The limitations of Tudor reform: the policy of 'Surrender and regrant' and the O'Rourkes | Maginn, Christopher | Article in Journal | | 2007 |
| The magpie and the weasel : a Leitrim memoir | Burns, William | Monograph or Collective Volume | [the author] | 2012 |
| The making of a revolutionary: Seán MacDiarmada and his County Leitrim background | Kelly, Liam | Article in Journal | | 2016 |
| The making of the Book of Fenagh | Scott, Brendan | Article in Journal | | 2017 |
| The man who brought hurling to Leitrim | O'Riordan, Grainne | Article in Journal | | 2009 |
| The march of O'Sullivan Beare : from Glengariff to Leitrim, 1602 - 1603 | Emerson, Lucius | Monograph or Collective Volume | The author | 2002 |
| The Marist sisters | McGuinness, Brigid Jane | Article in Journal | | 1998 |
| The murder of Dr Muldoon : a suspect priest, a widow's fight for justice | Boyle, KenDesmond, Tim | Monograph or Collective Volume | Mercier Press | 2019 |
| The O Dugenan Crucifixion Plaque of 1671 at Fenagh, Co. Leitrim | Timoney, Martin A. | Article in Journal | | 2018 |
| The Ó Duibhgeannáin family of historians and the Annals of the Four Masters | Cunningham, Bernadette | Article in Journal | | 2008 |
| The other famine: the 1822 crisis in county Leitrim | Mac Atasney, Gerard | Monograph or Collective Volume | History Press Ireland | 2010 |
| The Plantation of County Leitrim (1585-1670) | MacAtasney, Gerard | Monograph or Collective Volume | Carrick-on-Shannon Heritage | 2013 |
| The plantation of Leitrim, 1620-41 | Mac Cuarta, Brian | Article in Journal | | 2001 |
| The poem book of the Nugents | Ó Fágain, Pádraig | Article in Journal | | 1985 |
| The poetry of Nora J. Murray | Rooney, John | Article in Journal | | 1998 |
| The policemen's ball | Smith, Des | Article in Journal | | 1998 |
| The politicisation of Leitrim, Sligo and Mayo in the general election of 1852 | McNiffe, Liam | Article in Journal | | 1982 |
| The politicisation of Leitrim, Sligo, and Mayo in the general election of 1852 | McNiffe, Liam Mary | Thesis | | 1979 |
| The population of Leitrim in the twentieth century | Gillmor, Desmond A. | Article in Book | | 2019 |
| The Protestant experience of revolution in County Leitrim, 1911-1928 | Moffitt, Miriam | Article in Journal | | 2011 |
| The protestant experience of revolution in County Leitrim, 1911-1928 | Moffitt, Miriam | Article in Book | | 2019 |
| The protestants of County Leitrim, 1620-1861 | Miller, Kerby A. | Article in Book | | 2019 |
| The public career of Rev Thomas Maguire, 1792-1847 | Ó Duigneáin, Proinnsíos | Article in Book | | 2019 |
| The railway : the G.S.R. line through Carrick | Smith, Shane | Article in Journal | | 1998 |
| The Reynolds letters : sources for understanding the Irish emigrant experience in America and England, 1865-1934 | McBride, Lawrence W. | Article in Book | | 2000 |
| The Roscommon and Leitrim Gazette 1822-1882 | Lombard, PatMullaney, Thomas | Article in Journal | | 1994 |
| The Sheemore duel | Reynolds, George | Article in Journal | | 1946 |
| The shrine of St Caillín of Fenagh | Mullarkey, Paul | Article in Book | | 2016 |
| The Sligo, Leitrim and northern counties railway | McNeill, D. B. | Article in Journal | | 1957 |
| The Sligo-Leitrim world of Kate Cullen (1832-1913) : a 19th century memoir revealed | Pyle, Hilary | Monograph or Collective Volume | Woodfield Press | 1997 |
| The story of Leitrim, 1920-1921 | McCarthy, Veronica | Article in Journal | | 1970 |
| The water wheel | Ó Mordha, Pádraig | Article in Journal | | 1986 |
| They laughed at this man's funeral | McGovern, Andy | Monograph or Collective Volume | Irish Motor Neurone Disease Association | 1998 |
| This is Ireland : Mayo, Sligo, Leitrim and Roscommon | Hayward, Richard | Monograph or Collective Volume | Arthur Barker Ltd. | 1955 |
| Thomas Campbell's "Exile of Erin" : English poem, Irish reactions | Molloy, Frank | Article in Book | | 2006 |
| Thomas Kelly, Co. Leitrim. Irish Volunteers, Co. Tyrone 1914-1916 | Kelly, Thomas | Article in Book | | 2016 |
| Threshers: the Special Commission of 1806 and after | Mac Sheoin, Tomás | Article in Journal | | 2021 |
| Tracing your Leitrim ancestors | Coughlan, Tom | Monograph or Collective Volume | Flyleaf Press | 2018 |
| Tracing your Leitrim ancestors | Ó Suilleabhain, Seán | Article in Journal | | 1992 |
| Turf smoke: stories, poems and photographs | | Monograph or Collective Volume | Sligo County Council | 2011 |
| Two minor septs of late medieval Breifne | Parker, Ciarán | Article in Journal | | 1995 |
| Wattle and straw mat doors in Ireland | Lucas, A. T. | Article in Journal | | 1956 |
| Where a photograph led : Gillmors from northwestern Ireland in 1850's Iowa, USA | Gillmor, Desmond A. | Article in Journal | | 2013 |
| Where a photograph led: Gillmors from northwestern Ireland in 1850's Iowa, USA | Gillmor, Desmond A. | Article in Journal | | 2013 |
| William Henry Drummond : poet in Patois | Lyons, J. B. (John Benignus) | Monograph or Collective Volume | Fitzhenry & Whiteside | 1994 |
| William Larkin and the mapping of County Leitrim in the early nineteenth century | Horner, Arnold | Article in Book | | 2019 |
| Woodbrook : the name that inspired the timeless best-selling, historical novel | Smith, Des | Article in Journal | | 1998 |
| ‘This land of his heart’s desire’ : reading Leitrim in the fiction of John McGahern | Doyle, Máire | Article in Book | | 2019 |