| A long way from Jerusalem : the Templars and Hospitallers in Ireland, c. 1172-1348 | Nicholson, Helen J., 1960- | Article in Book | | 2015 |
| International Mobility versus the Needs of the Realm : The Templars and Hospitallers in the British Isles in the Thirteenth and Fourteenth Centuries | Nicholson, Helen J., 1960- | Article in Book | | 2006 |
| Relations between houses of the Order of the Temple in Britain and their local communities, as indicated during the trial of the Templars, 1307-12 | Nicholson, Helen J., 1960- | Article in Book | | 2007 |
| Serving King and Crusade : the Military Orders in Royal Service in Ireland, 1220-1400 | Nicholson, Helen J., 1960- | Article in Book | | 2003 |
| The Knights Templar on trial : the trial of the Templars in the British Isles, 1308-1311 | Nicholson, Helen J., 1960- | Monograph or Collective Volume | History Press | 2009 |
| The testimony of Brother Henry Danet and the trial of the Templars in Ireland | Nicholson, Helen J., 1960- | Article in Book | | 2007 |
| The trial of the Templars in Ireland | NNicholson, Helen J., 1960- | Article in Book | | 2010 |