| 1932 : a case-study in polarization and conflict | Collins, Peter | Article in Book | | 2010 |
| Analysing division; two different approaches to the history of Belfast. (essay in review) | Collins, Peter | Article in Journal | | 1991 |
| Atlantic bridge builder | Collins, Peter | Article in Journal | | 1994 |
| Belfast Trades Council, 1881-1921 | Collins, Peter Gerard | Thesis | | 1988 |
| County Monaghan sources in the Public Record Office of Northern Ireland | Collins, Peter | Monograph or Collective Volume | Public Record Office of Northern Ireland | 1998 |
| Industry in the North of Ireland since the 1890s | Collins, Peter | Article in Book | | 1995 |
| Interview : Gray's elegy | Collins, Peter | Article in Journal | | 1999 |
| Irish labour and politics in the late nineteenth and early twentieth centuries | Collins, Peter | Article in Book | | 1994 |
| Mary Galway | Collins, Peter | Article in Journal | | 1991 |
| Nationalism and Unionism : conflict in Ireland, 1885-1921 | | Monograph or Collective Volume | Institute of Irish Studies, Queen's University Belfast | 1994 |
| Pathways to Ulster's past : sources and resources for local studies | Collins, Peter | Monograph or Collective Volume | Queen's University of Belfast, Institute of Irish Studies | 1998 |
| Reminiscence. John Freeman : a life on the left | Collins, Peter | Article in Journal | | 1999 |
| Sources for Labour History in the Linen Hall Library, Belfast | Collins, Peter | Article in Journal | | 2015 |
| The Belfast Labour movement 1881-1921 | Collins, Peter | Article in Book | | 1994 |
| The contest of memory : the continuing impact of 1798 commemoration | Collins, Peter | Article in Journal | | 1999 |
| The labour movement in the North from the 1890s to recent times | Collins, Peter | Article in Book | | 1995 |
| The making of Irish linen : historic photographs of an Ulster industry | Collins, Peter | Monograph or Collective Volume | Friar's Bush | 1994 |
| The Protestant Gaelic tradition in Ulster | Collins, Peter | Article in Book | Gael Linn | 2015 |
| Who fears to speak of '98? : commemoration and the continuting impact of the United Irishmen | Collins, Peter | Monograph or Collective Volume | Ulster Historical Foundation | 2004 |