| Birth of the virtual child : origins of our contradictory images of children | Gillis, John R. | Article in Book | | 2002 |
| Examining the Book of Dimma, the scribe Dianchride and the Gospel of John | Gillis, JohnMeehan, Bernard | Article in Book | | 2017 |
| The Fadden More psalter : the discovery and conservation of medieval treasure | Gillis, John | Monograph or Collective Volume | Wordwell Books ; National Museum of Ireland | 2021 |
| The materiality of the St Gallen manuscripts | Gillis, John | Article in Book | | 2025 |
| Treasure from the bog: The Fadden More psalter | Gillis, John | Article in Book | | 2012 |