Title
Bede, De natura rerum, De temporibus, and De temporum ratione Pseudo-Bede, Compotum sic Bedae presbiteri librorum quattuor Boethius, De arithmetica libri duo
Bibliography
Borst, Der karolingische Reichskalender, vol. I, p. 230
Scheiders, 'The Irish Calendar in the Karslruhe Bede', p. 37
St. Gallen, Stiftsbibliothek, Cod. Sang. 248, f. 56 – Bede, De natura rerum, De temporibus, and De temporum ratione Pseudo-Bede, Compotum sic Bedae presbiteri librorum quattuor Boethius, De arithmetica libri duo (https://www.e-codices.ch/en/list/one/csg/0248)
