| Charlemagne in the Irish and Hiberno-Latin tradition | Mac Craith, Mícheál | Article in Book | | 2022 |
| Die Sprachenpolitik Karls des Grossen | Richter, Michael, 1943-2011 | Article in Book | Four Courts Press | 1995 |
| Gabhaltais Shearluis Mhóir: the conquests of Charlemagne edited from the Book of Lismore and three other vellum MSS. | | Monograph or Collective Volume | Irish Texts Society | 1917 |
| L'Irlanda e l'arte Carolingia | Crivello, Fabrizio | Article in Book | | 2010 |
| Les Irlandais et les princes carolingiens aux VIIIe et IXe siècles | Riché, Pierre | Article in Book | | 1982 |
| Les moines et la civilisation en occident, des invasions à Charlemagne | Décarreaux, Jean | Monograph or Collective Volume | Arthaud | 1962 |
| The astronomy of Macrobius in Carolingian Europe : Dungal's letter of 811 to Charles the Great | Eastwood, Bruce Stansfield | Article in Journal | | 1994 |
| The Irish foundations and the Carolingian world | Meeder, Sven | Article in Book | | 2010 |
| The Wars of Charlemagne : reassessments (Irish Texts Society. Subsidiary series, 33) | | Monograph or Collective Volume | Irish Texts Society | 2022 |