| An insular tradition of ecclesiastical law : fifth to eighth century | Flechner, Roy | Article in Book | | 2009 |
| Aspects of the Breton transmission of the Hibernensis | Flechner, Roy | Article in Journal | | 2005 |
| Controversies and ethnic tensions | Flechner, RoyMeeder, Sven | Article in Book | | 2016 |
| Conversion in Ireland : reflections on the state of the art | Flechner, Roy | Article in Book | | 2016 |
| Conversion to Christianity and economic change : consequence or coincidence? | Davies, WendyFlechner, Roy | Article in Book | | 2016 |
| Dagán, Columbanus, and the Gregorian mission | Flechner, Roy | Article in Journal | | 2005 |
| In Memoriam. Richard Sharpe (17 February 1954-21 March 2020) | Flechner, Roy | Article in Journal | | 2019 |
| Investigating 'Peasant conversion' in Ireland and Anglo-Saxon England : a preliminary enquiry | Flechner, Roy | Article in Book | | 2016 |
| Libelli et commentarii aliorum : the Hibernensis and the Breton bishops | Flechner, Roy | Article in Book | | 2008 |
| Patrick's reasons for leaving Britain | Flechner, Roy | Article in Book | | 2011 |
| The Chronicle of Pseudo-Origen: Simulating a World Chronicle of Seventh-Century Ireland | Flechner, Roy | Article in Journal | | 2020 |
| The Hibernensis. A study, edition, and translation, with notes. | Flechner, Roy | Thesis | | |
| The introduction of Christianity into the early Medieval insular world : converting the isles 1 | | Monograph or Collective Volume | Brepols | 2016 |
| The Irish in early medieval Europe; identity culture and religion | | Monograph or Collective Volume | Palgrave | 2016 |
| The problem of originality in early medieval canon law : legistating by means of contradictions in the Collectio Hibernensis | Flechner, Roy | Article in Journal | | 2012 |