| 'Stair Mhlaise ar Dhartraighibh déin' by Sighraidh Ó Cuirnín : a poem on the rights and privileges of the Coarb of Saint Molaise over Dartraighe | Smith, Peter J. | Article in Journal | | 2018 |
| A eolcha Érenn airde: a medieval poem on the pre-Christian kings of Ireland | Smith, Peter | Article in Journal | | 2013 |
| A Mháirín Óg Ní Cheallaigh : a Tyrone song of Connacht provenance | Mac Gabhann, PeadarSmith, Peter | Article in Journal | | 2007 |
| A Mháirín Óg Ní Cheallaigh : a Tyrone song of Connacht provenance | Mac Gabhann, PeadarSmith, Peter | Article in Journal | | 2008 |
| Aimirgein glúngel tuir tend : a middle Irish poem on the authors and laws of Ireland | Smith, Peter | Article in Journal | | 1994 |
| An edition of Tigernmas mac Follaig aird | Smith, Peter J. | Article in Book | | 2015 |
| An historical tract in Irish relating to the confederate wars in Ireland | Smith, Peter | Article in Journal | | 2017 |
| Contending coarbs:"Cindus fuair Mlaise in Bealach?" | Smith, Peter J. | Article in Journal | | 2014 |
| Early Irish historical verse : the evolution of a genre | Smith, Peter J. | Article in Book | | 2002 |
| Gaelic, Catholic and European : Irish priests and Irish colleges | Smith, Peter | Article in Book | [UK]:Institute for Theological Partnerships Publishing | 2015 |
| Grattan and 1782 : a survey | Smith, Peter | Article in Journal | | 1983 |
| Irish synchronistic poem on emperors and kings | Smith, Peter J. | Article in Journal | | 2012 |
| Mide maigen Clainne Cuind : a medieval poem on the kings of Mide | Smith, Peter J. | Article in Journal | | 2001 |
| Oidhreacht Oirghiall : a bibliography of Irish literature and philology relating to the south-east Ulster-north Leinster region : printed sources | Smith, Peter | Monograph or Collective Volume | Iontaobhas Ultach-Ultach Trust | 1995 |
| Policing and politics | Smith, Peter | Article in Book | | 2010 |
| Rev. Daniel W. Cahil D. D., 1796-1864 | Smith, Peter | Article in Journal | | 1999 |
| Three historical poems ascribed to Gilla Cóemáin. A critical edition of the work of an eleventh-century Irish scholar | Smith, Peter J. | Monograph or Collective Volume | Nodus Publikationen | 2008 |
| Writing in Irish in County Monaghan : thirteen hundred years of tradition | Smith, Peter | Article in Book | | 2017 |