| An introduction to the 'Liber Antiquissimus Civitatis Waterfordiae' | Byrne, Niall J. | Article in Journal | | 2004 |
| The great parchment book of Waterford = Liber antiquissimus civitatis Waterfordiae | | Monograph or Collective Volume | Irish Manuscripts Commission | 2007 |
| The great parchment book of Waterford = Liber antiquissimus Civitatis Waterfordiae | | Monograph or Collective Volume | Irish Manuscripts Commission | 2007 |
| The Irish crusade : a history of the Knights Hospitaller, the Knights Templar, and the Knights of Malta, in the south-east of Ireland | Byrne, Niall J. | Monograph or Collective Volume | Linden Publishing | 2007 |
| The Yank from Mourne Abbey, part 3 | Byrne, Niall J. | Article in Journal | | 2005 |
| The Yank from Mourne Abbey. Part 4 | Byrne, Niall J. | Article in Journal | | 2006 |
| The Yank from Mourneabbey, Part I | Byrne, Niall J. | Article in Journal | | 2003 |