| 'Across the Hawthorn hedge the noise of bugles...' case-study of Carrickfergus during the Great War | Orr, Philip | Article in Journal | | 2009 |
| 'The ingenious Mr. Hutcheson' | Orr, Philip | Article in Journal | | 2000 |
| 200,000 volunteer soldiers | Orr, Philip | Article in Book | | 2008 |
| Ballykinler Camp : the first seven decades, 1900-1969 | Orr, Philip | Monograph or Collective Volume | Down County Museum | 2012 |
| Doing history : a re-interpretation of the life of the United Irishman Archibald Hamilton Rowan (1751- 1834) | Orr, Philip | Article in Book | | 1998 |
| Field of bones : an Irish division at Gallipoli | Orr, Philip | Monograph or Collective Volume | Lilliput Press | 2006 |
| From County Down to Anzac Cove : The tragic Great War journeymade by a local soldier in the 10th (Irish) Division | Orr, Philip | Article in Journal | | 2004 |
| From imperial rebels to pledged defenders of the realm | Orr, Philip | Article in Journal | | 2014 |
| From imperial rebels to plegded defenders of the realm | Orr, Philip | Article in Journal | | 2014 |
| From orange grove to Armageddon : two significant friendships in the life of Thomas Russell | Orr, Philip | Article in Book | | 2003 |
| From Ulster to the Dardanelles : the local impact of the Gallipoli campaign | Henderson, NigelOrr, Philip | Monograph or Collective Volume | Northern Ireland War Memorial | 2015 |
| New loyalties : Christian faith and the Protestant working class | Orr, Philip | Monograph or Collective Volume | Center for Contemporary Christianity in Ireland | 2008 |
| New perspectives : politics, religion and conflict in mid-Antrim, 1911-1914 | Orr, Philip | Monograph or Collective Volume | MId-Antrim Museum Services | 2011 |
| Reflections on the relationships between loyalism and church | Orr, Philip | Article in Book | | 2011 |
| Remembering 1916 : challenges for today, the Easter Rising, the battle of the Somme and the First World War | Brearton, FranColeman, MarieDaly, Mary E.Fanning, RonanHayes, MauriceMcCusker, TonyOrr, PhilipPhoenix, ÉamonSpence, Ronnie | Monograph or Collective Volume | Northern Ireland Community Relations Council | 2014 |
| The Covenent in context: Ballymena during the Home Rule crisis | Orr, Philip | Article in Journal | | 2012 |
| The Illustrated History of Flight | Orr, Philip | Monograph or Collective Volume | Singular Publishing | 2020 |
| The road to Belgrade : the experiences of the 10th (Irish) Division in the Balkans, 1915-17 | Orr, Philip | Article in Book | | 2002 |
| The road to the Somme : men of the Ulster Division tell their story | Orr, Philip | Monograph or Collective Volume | Blackstaff Press | 2008 |
| The road to the Somme : men of the Ulster Division tell their story | Orr, Philip | Monograph or Collective Volume | Blackstaff Press | 1987 |
| The secret chain : Francis Hutcheson and Irish dissent - a political legacy | Orr, Philip | Article in Book | | 2012 |
| The Somme legacy | Orr, Philip | Article in Journal | | 1987 |
| Tom's Story: Sentry Hill and the Great War: Tom's Story | Orr, Philip | Monograph or Collective Volume | Mid-Antrim Museums Service | 2007 |
| Volunteers at the world's end: the Ulster division at Ballykinler army camp, 1914-15 | Orr, Philip | Article in Journal | | 2002 |