| Andrew Campbell, bishop of Kilmore, 1753-1769 | Campbell, P. J. | Article in Journal | | 1977 |
| Bangor Golf Club : one hundred years | Campbell, PaulaStanley, Jeremy | Monograph or Collective Volume | Bangor Golf Club | 2003 |
| Davitt in Carrickmore : National League meeting, 17 March 1884 | Campbell, Patrick J.Kerr, Peter | Article in Journal | | 1985 |
| Death in Templecrone : the famine in northwest Donegal | Campbell, P | Monograph or Collective Volume | Templecrone Press | 1995 |
| From silent glens to noisy streets | Campbell, Patrick J. | Monograph or Collective Volume | Mercier Press | 1983 |
| John Verdon, Clonmore, Co. Louth, parish priest of Drogheda, bishop of Ferns (1709-28) | | Article in Journal | | 1980 |
| Rambles around Donegal | Campbell, Patrick J. | Monograph or Collective Volume | Mercier Press | 1981 |
| St Colmcille's church, Termonagurk, 1786-1989 | | Monograph or Collective Volume | Termonagurk Historical Society | 1989 |
| The clergy of Oliver Plunkett | Mac Phóil, Donnchadha ; Campbell, P. J. | Article in Journal | | 1986 |
| The clergy of Oliver Plunkett [part 5] | Campbell, Patrick J.Mac Phóil, Donnchadha | Article in Journal | | 1986 |
| The famine years in northwest Donegal | Campbell, Patrick | Monograph or Collective Volume | CreateSpace | 2015 |
| The Franciscan petition lists : diocese of Armagh 1670-71 | Campbell, Patrick J. | Article in Journal | | 1992 |
| The Parish of Aghalo in the Plantation era | Campbell, Patrick | Article in Journal | | 2000 |
| Towards a history of the parish of Togher | Campbell, Patrick J. | Article in Journal | | 1978 |
| Turf cutting in the Blue Stacks in the 'Twenties | Campbell, Patrick ('Paddy') | Article in Journal | | 1978 |