| "A melancholy instance of complicated misery" : Ireland and Irish national identity in eighteenth century English travel writing | Higgins, P. | Article in Journal | | 1998 |
| "Of no small importance" : curricular change in the school of divinity, Trinity College Dublin, 1790-1850 | Power, Thomas P. | Article in Book | Pickwick Publications | 2013 |
| 'In a landlord's garden' | Mathews, P. J. | Article in Book | | 2011 |
| A battle of two civilizations? : D. P. Moran and William Rooney | Mathews, P. J. | Article in Journal | | 2002 |
| An analytical bibliography of universal collected biography. Comprising books published in the English language in Great Britain and Ireland, America and the British Dominions | Riches, P. M. | Monograph or Collective Volume | | 1934 |
| Caravats and Shanavests : Whiteboyism and faction fighting in East Munster, 1802-11 | Roberts, P. E. W. | Article in Book | | 1983 |
| Contributions à l'étude des divinités celtiques | Lambrechts, P. | Monograph or Collective Volume | Uitgeverij 'De Tempel' | 1942 |
| Douai College documents, 1639-1794 | | Monograph or Collective Volume | Catholic Record Society | 1972 |
| Drumadoon bell shrine, one of the most significant archaeological finds in Ireland goes on display | Dennis, P. | Article in Journal | | 2004 |
| Father John Fitzsimmons (1806-1869) | S, P. | Article in Journal | | 2006 |
| Fermanagh's railways | Friel, Charles, P. | Monograph or Collective Volume | Colourpoint Books | 2008 |
| Fermanagh's railways : a photographic tribute | Friel, Charles, P.Johnston, N. | Monograph or Collective Volume | Colourpoint press | 1998 |
| Forty shades of steam : the story of the Railway Preservation Society of Ireland | Cassells, JoeFriel, Charles, P. | Monograph or Collective Volume | Colourpoint Books | 2004 |
| Géographie rurale de quatre contrées celtiques : Irlande, Galles, Cornwall et Man | Flatres, P. | Monograph or Collective Volume | Plihon | 1957 |
| Handbook of the Irish revival : an anthology of Irish cultural and political writings 1891-1922 | | Monograph or Collective Volume | Abbey Theatre Press | 2015 |
| Hierarchia catholica medii et recentioris aevi. Vol. 7 : 1800-1846 | Pirminus, P.Ritzler, P. Remigius | Monograph or Collective Volume | Il Messaggero di S. Antonio | 1968 |
| Irish culture and nationalism, 1750-1950 | | Monograph or Collective Volume | Macmillan | 1983 |
| Irish education transformed | Andrews, P. | Article in Journal | | 1997 |
| John Rastell's proposed voyage to North America from Ireland, 1517-1519 | Piveronus, P. J. | Article in Journal | | 1972 |
| Joseph O'Connor (b.1963) | Mathews, P. J. | Article in Book | | 2005 |
| Land policies and agricultural development | Commins, P. | Article in Book | | 1982 |
| Land politics and agricultural development | Cummins, P. | Article in Book | | 1982 |
| Land, politics and agricultural development | Commins, P. | Article in Book | | 1982 |
| Le corps irlandais au service de la France sous le consulat et l'empire | Carles, P. | Article in Journal | | 1976 |
| Marking the introduction to the British parliament of the third Home Rull Bill, April 1912 | Mathews, P.J. | Article in Book | | 2012 |
| Notes on the early Irish Vances | Vans, P. A. | Article in Journal | | 1983 |
| Outline sketch of crannogs, with some notes on a crannog recently discovered in Co. Kildare | Vigors, P. D. | Article in Journal | | 1895 |
| Public opinion and the railway rates question in 1886 | Williams, P. M. | Article in Journal | | 1952 |
| Registers of the universities, colleges and schools of Great Britain and Ireland | Jacobs, P. M. | Article in Journal | | 1964 |
| Revival : the Abbey Theatre, Sinn Féin, the Gaelic League and the Co-operative movement | Mathews, P. J. | Monograph or Collective Volume | Cork University Press in association with Field Day | 2003 |
| Sir Henry Cavendish (1732–1804), parliamentarian in two countries | Thomas, P. D. G. | Article in Journal | | 2017 |
| Sir Warham St Leger : organiser-in-chief of the Munster plantation scheme | Piveronus, P. J. | Article in Journal | | 1980 |
| Sir Warham St. Leger and the first Munster plantation | Piveronus, P. J. | Article in Journal | | 1979 |
| Some notes on the railways of Carrickfergus | Friel, Charles, P. | Article in Journal | | 1995 |
| Stirring up disloyalty: the Boer War, the Irish Literary Theatre and the emergence of a new separatism | Mathews, P.J. | Article in Journal | | 2003 |
| Tenants no more : [voices from an Irish townland, 1811-1901 and the great migration to Australia and America] | Simons, P. Frazier | Monograph or Collective Volume | Prowling Tiger Press | 1996 |
| The Caucus and the Liberal party in 1886 | Griffiths, P. C. | Article in Journal | | 1976 |
| The Desmond imperial alliance of 1529 : its effect on Henry VIII's policy toward Ireland | Piveronus, P. J. | Article in Journal | | 1975 |
| The Donegal mafia : an Irish political machine | Sacks, P. M. | Monograph or Collective Volume | [s.n.] | 1976 |
| The early development of metallurgy in the British Isles | Budd, P.Gale, D.Pollard, A. M.Thomas, R. G.Williams, P. | Article in Journal | | 1992 |
| The minute book of the Belfast Rosarian Society | Rogers, P. | Article in Journal | | 1937 |
| The Rev. Gibson McMullan of Westport and some Australian connections | Simons, P. Frazier | Article in Journal | | 2001 |
| The schools and scholars of Breiffne | Corcoran, Timothy Joseph, 1872-1943Lyons, P.O'Connell, Philip | Monograph or Collective Volume | Browne and Nolan | 1942 |
| The significance of small-scale landholders in Ireland's socio-economic transformation | Commins, P.Hannan, Damian | Article in Book | | 1992 |
| The stone of Formach | Lyons, P. | Article in Journal | | 1946 |
| The suppression of the monasteries in Antrim and Down | Rogers, P. | Article in Journal | | 1938 |
| Troupes Irlandaises au service de la France, 1635-1815 | Carles, P. | Article in Journal | | 1983 |
| Une diocèse de l'Église établie d'Irlande à l'époque georgienne, d'après une visite épiscopale : Ossory | Loupès, P. | Article in Journal | | 1983 |
| Une femme de lettres oubliée : Marie-Caroline Murray, 1741-1831 | Claessens, P. E.Dezuttere, P. | Article in Journal | | 1967 |
| Witham Street to Cultra | Friel, Charles, P. | Article in Journal | | 1993 |
| Work, culture and gender : the making of masculinities in post-war Liverpool | Avers, P. | Article in Journal | | #|- |
| Yeats and Homer | Liebregts, P. Th. M. G. | Article in Book | | 1989 |
| Yeats and the Trinity chair | Edwards, P. W. | Article in Journal | | 1965 |