| 'Across the Hawthorn hedge the noise of bugles...' case-study of Carrickfergus during the Great War | Orr, Philip | Article in Journal | | 2009 |
| A preliminary analysis of wood remains from Haughey's fort | Hawthorne, Mark | Article in Journal | | 1991 |
| A visit to Hawthorn Lodge and Castlebar 1899. A letter from Emilius St Clair O'Malley to his brother Edward Loughlin O'Malley | Dunlop, Anne O'Malley | Article in Journal | | 2014 |
| Archipelagic English : literature, history, and politics, 1603-1707 | Kerrigan, John | Monograph or Collective Volume | Oxford University Press | 2008 |
| Enterprising Migrants : an Irish Family in Australia | Ingham, S. M. | Monograph or Collective Volume | Hawthorn | 1975 |
| Hawthorne and the "Wild Irish" : a note | Singer, David | Article in Journal | | 1969 |
| L'aubépine sans épines. Une curiosité dans la procédure d'exécution du 'glám dícenn' | Hily, Gaël | Article in Journal | | 2018 |
| On picking Hawthorn | Kells, Arthur | Article in Journal | | 1928 |
| Sailing ships of Mourne : with sections on the county Down fishing fleet, the boat builders, local harbours, Newcastle and Kilkeel lifeboats | | Monograph or Collective Volume | Mourne Observer | 1995 |
| Shamrocks, hawthorn trees, and black potatoes : writing for children and young adults about Ireland's Great Hunger | Young, Robert A., Jr | Article in Book | | 2018 |
| The McIlrath letters : sent from Killinchy, New Zealand to Killinchy, County Down, 1860-1915 | | Monograph or Collective Volume | Killyleagh Branch of North of Ireland Family History Society | 2009 |
| The story of Mike Hawthorn. From Leinster Trophy to World Formula I Champion | Byrne, Anthony | Article in Journal | | 2018 |
| Two centuries of Irish history | | Monograph or Collective Volume | BBC | 1966 |
| Under the Hawthorn Tree | Duffy, Paul | Article in Journal | | 2018 |