| 'Damned nonsense' - the geological career of the third earl of Enniskillen | James, Kenneth | Monograph or Collective Volume | Ulster Museum | 1986 |
| 'Honest Pat' - Patrick Crumley DL, MP | McRoe, Malachy | Article in Journal | | 2011 |
| A brief genealogical account of the Maguires, princes of Fermanagh and barons of Enniskillen | MacCarthy Mór | Article in Journal | | 1990 |
| A nineteenth-century printer : William Trimble of Enniskillen and his newspaper The Impartial Reporter | Trimble, Joan | Article in Journal | | 1995 |
| An Gordon Wilson a bhfuil chuimhne agamsa oir | Ó Gadhra, Nollaig | Article in Journal | | 1995 |
| An Ulster connection with medicine in the Gold Coast and the Spanish Civil War. The careers of David and Charles Duff | Hart, Anthony | Article in Journal | | 2017 |
| Belmore : the Lowry Corrys of Castle coole, 1646-1913 | Marson, Peter | Monograph or Collective Volume | Ulster Historical Foundation | 2007 |
| Castlecoole, Co. Fermanagh | Mott, George | Article in Journal | | 1989 |
| Castlecoole, Enniskillen, a property of the National Trust | Fedden, Robin | Monograph or Collective Volume | Country Life | 1954 |
| Church briefs and charitable relief : reparations for two early eighteenth century fire-damaged Ulster towns | Osborough, W. N. (William Nial) | Article in Book | | 2021 |
| England, Ireland, Magna Carta, and the common law : the case of Connor, Lord Maguire, second Baron of Enniskillen | Orr, D. Alan | Article in Journal | | 2000 |
| Enniskillen : historic images of an island town | Wood, Helen Lanigan | Monograph or Collective Volume | Friar's Bush | 1990 |
| Enniskillen : the Remembrance Sunday bombing | McDaniel, Denzil | Monograph or Collective Volume | Wolfhound Press | 1997 |
| Enniskillen long ago : an historic sketch of the parish of 'Inishkeene, in Lacu Ernensi,' now called Enniskillen, in the Diocese of Clogher | Bradshaw, William H. | Monograph or Collective Volume | George Herbert | 1878 |
| Enniskillen poor law union | Quinn, Margaret | Article in Journal | | 1971 |
| Enniskillen reminiscences | McCauley, IainMcKeown, Cahir | Monograph or Collective Volume | Cahir McKeown | 1993 |
| Enniskillen, parish and town | Dundas, William Harloe | Monograph or Collective Volume | William Tempest|Alfred Weaver | 1913 |
| Excavations at Enniskillen Castle, Co. Fermanagh | Halpin, Eoin | Article in Journal | | 1994 |
| Fare thee well, Enniskillen | Ó Gallachair, Pádraig | Article in Journal | | 1963 |
| Healy, Cahir, MP, 1877-1970 | Meehan, Helen | Article in Journal | | 2010 |
| History of Portora Royal School | Bennett, Richard | Article in Book | | 2007 |
| Labouring beside Lough Erne : a study of the Fermanagh Labour movement, 1826-1932 | Quinn, Jim | Monograph or Collective Volume | Umiskin Press [for Fermanagh Council of Trade Unions] | 2019 |
| Labouring on the margins : trade union activity in Enniskillen | Quinn, Jim | Article in Journal | | 1990 |
| Lord Macaulay on Londonderry, Aughrim, Enniskillen and the Boyne | Macaulay, Thomas Babington, 1st baron Macaulay, 1800-1859 | Monograph or Collective Volume | Ulster Society for the Promotion of Ulster-British Heritage and Culture | 1989 |
| Made in Enniskillen : a brief survey of manufacturing and trading in earlier days | McCullough, Catherine | Article in Journal | | 1988 |
| Marie : a story from Enniskillen | McCreary, AlfWilson, Gordon | Monograph or Collective Volume | Collins | 1991 |
| Medieval Britain and Ireland in 2013 | | Article in Journal | | 2014 |
| More on the Kernans of Enniskillen : Randal Kernan (1774-c.1844) and others | Woods, C. J. (Christopher John) | Article in Journal | | 1979 |
| Mount Lourdes : a history | Tannian, Bridie | Monograph or Collective Volume | Menapia | 1999 |
| Obituaries. Eamon Hoy | Anonymous | Article in Journal | | 2017 |
| Old Rossory graveyard, Enniskillen | Mac Annaidh, Séamas | Article in Journal | | 2007 |
| Parishes of County Fermanagh, 1834-5. Vol. 1 : Enniskillen and Upper Lough Erne | | Monograph or Collective Volume | Institute of Irish Studies in association with the Royal Irish Academy | 1990 |
| Portora Royal school register | Anonymous | Monograph or Collective Volume | Portora Royal School | 1939 |
| Portora Royal School, Enniskillen | Quane, Michael | Article in Journal | | 1968 |
| Prison photographs | Fitzsimons, Fiona | Article in Journal | | 2016 |
| Sean Lunny. In memoriam | Anonymous | Article in Journal | | 2013 |
| Sir Gustavus Hume (1677-1731): courtly connections and architectural connoisseurship in the early eighteenth century | Hayes, Melanie | Article in Journal | | 2016 |
| Sir William Cole : the town of Enniskillen and plantation county Fermanagh | Hunter, R. J. (Robert J.) | Article in Book | | 2004 |
| Sir William Cole and Plantation Enniskillen, 1607-1641 | Hunter, R. J. (Robert J.) | Article in Journal | | 1978 |
| Some place names of Enniskillen district | Farrell, P. G. | Article in Journal | | 1976 |
| Stained glass in Enniskillen churches | Rogers, Frank | Article in Journal | | 2004 |
| The actions of the Enniskillen men from their first taking up arms in 1688 to the landing of Duke Schomberg in Ireland | Hamilton, Andrew | Monograph or Collective Volume | Castlepoint Press | 2001 |
| The blood of Enniskillen | Sidwell, Robert | Monograph or Collective Volume | Book Guild | 1989 |
| The castle of Enniskillen | Lawlor, H.C. | Article in Journal | | 1926 |
| The Church of Ireland parishes of Clabby and Tempo : a shared heritage | Morrow, Samuel B. | Monograph or Collective Volume | [The author] | 2002 |
| The Enniskillen family, estate and archive | Malcomson, A. P. W. | Article in Journal | | 1998 |
| The Gallipoli and Salonika diaries of Lieutenant Louis Cassidy, R.A.M.C. (1877-1928) | Sweetman, Roger | Article in Journal | | 2017 |
| The geological career of the third earl of Enniskillen | James, Kenneth | Article in Journal | | 1986 |
| The healing clay of Boho. From superstition to 'Streptomyces' | Dunphy, Eugene | Article in Journal | | 2019 |
| The history of Enniskillen : with references to some manors in County Fermanagh and other local subjects | Trimble, W. C. | Monograph or Collective Volume | [s.n.] | 1921 |
| The Londonderry and Enniskillen Railway (1845-62): the least efficient and most dangerous railway in Ireland | Geraghty, P. J. (Peter J.) | Article in Journal | | 2009 |
| The old school tie : no. 3, Portora Royal School, Enniskillen | Mercier, Vivian | Article in Journal | | 1946 |
| The Poppy-Day bombing : Enniskillen, 1987 | Parkinson, Alan F. | Article in Book | | 2010 |
| The road to the hills : people, placenames, poetry, poitín, poltergeists, priests and parsons | Cooneen History Group | Monograph or Collective Volume | Workers' Education Association | 1994 |
| Three sieges and two massacres: Enniskillen at the outbreak of the Nine Years' War, 1593-5 | O'Neill, James | Article in Journal | | 2016 |
| Trouble at Pubble : inscriptions from a Fermanagh graveyard and an episode from its history | Mac Annaidh, Séamus | Article in Journal | | 2003 |
| Waterways Ireland's archive goes digital | Reilly, Nuala | Article in Journal | | 2021 |