| A kingdom united : British and Irish responses to the outbreak of war, July to December 1914 | Pennell, Catriona | Thesis | | 2008 |
| A kingdom united : popular responses to the outbreak of the First World War in Britain and Ireland | Pennell, Catriona | Monograph or Collective Volume | Oxford University Press | 2012 |
| A kingdom united: popular responses to the outbreak of the first world war in Britain and Ireland | Pennell, Catriona | Monograph or Collective Volume | Oxford University Press | 2012 |
| A kingdom united: popular responses to the outbreak of the First World War in Britain and Ireland | Pennell, Catriona | Monograph or Collective Volume | Oxford University Press | 2012 |
| Britain, Ireland and the First World War | Pennell, Catriona | Article in Journal | | 2014 |
| Going to war | Pennell, Catriona | Article in Book | | 2008 |
| Ireland's decade of commemorations: a roundtable | Bryan, DominicCronin, MikeO'Toole, TinaPennell, Catriona | Article in Journal | | 2013 |
| More than a 'curious footnote' : Irish voluntary participation in the First World War and British popular memory | Pennell, Catriona | Article in Book | | 2013 |
| ‘Choreographed by the angels’? Ireland and the centenary of the First World War | Pennell, Catriona | Article in Journal | | 2017 |