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Annotations in Latin and Middle Breton to Paris, Bibliothèque Sainte-Geneviève, MS 34-36, written by Henri Bossec.
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Latin and some Irish glosses on computus in Vat. lat. 5755.
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Set of glosses to a text of Boethius’ translation of Porphyry’s Isagoge (an introduction to Aristotle's ten categories) in Paris, BNF, MS lat. 12949. In a quatrain at the end of the text, it is claimed to have been written by a certain ‘ΙCΡΑ’ (in Greek script), who is now usually identified with Israel the Grammarian. The glosses contain a reference to the Periphyseon of John Scottus Eriugena, who had been teacher to Israel.