| An island sound : reflections on music, politics and identity in contemporary Ireland | Ó Súilleabháin, Mícheál | Article in Book | | 2003 |
| Burke and Tocqueville : new worlds, new beings | Deane, Seamus | Article in Book | | 2003 |
| Celebrating 70 and towards the new century | Ahern, Bertie | Article in Book | | 1996 |
| Constructing/deconstructing the image of Sean Lemass' Ireland | Savage, Robert | Article in Book | | 2003 |
| Harry Boland : a man divided | Brasier, AndrewKelly, John | Monograph or Collective Volume | New Century | 2000 |
| Ireland in the new century | Plunkett, H.West, Trevor | Monograph or Collective Volume | Irish Academic Press | 1982 |
| Ireland in the new century : politics, culture and identity | | Monograph or Collective Volume | Four Courts | 2003 |
| Ireland in the new century. Introduction by T. West. | Plunkett, H. | Monograph or Collective Volume | | 1983 |
| Ireland, Europe and the world : writings on a new century | O'Brien, Dan | Monograph or Collective Volume | Gill & Macmillan | 2009 |
| Irish in the new century | Cronin, Michael, 1960- | Monograph or Collective Volume | Cois Life Teoranta | 2005 |
| Re-reading the past : Michael Collins and contemporary popular culture | Cullingford, Elizabeth Butler | Article in Book | | 2003 |
| Republicanism : the legacy of the United Irishmen | Whelan, Kevin | Article in Book | | 2003 |
| Republicanism and culture in the new millennenium | Kiberd, Declan | Article in Book | | 2003 |
| The new century : evolution and revolution | Lanigan, Anne | Article in Book | | 2001 |
| The republican idea : into the twenty first century | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 2003 |
| The yeast in the bread : the rise in the culture | NÍ Dhomhnaill, Nuala | Article in Book | | 2003 |
| Unionism and the new century: the structure, organisation and mechanics of the Unionist Party in Britain and Ulster, 1900-1922 | Burnett, David Andrew | Thesis | | 1995 |
| Unionism, and the future of the Union | Jackson, Alvin | Article in Book | | 2003 |
| Writing the history of the Irish diaspora | Kenny, Kevin, 1960- | Article in Book | | 2003 |