ISAAC HA-KOHEN OF NARBONNE:
French Talmudist; lived in the twelfth and thirteenth centuries; a disciple of Abraham ben David of Posquières. He was the author of a commentary, no longer extant, on various treatises of the Jerusalem Talmud. This commentary is mentioned by Isaac de Lattes and Menahem Me'iri. Grossidentifies him with the Isaac ha-Kohen whose authority on ritual matters is frequently invoked by Aaron ha-Kohen in his "Orḥot Ḥayyim."
- Gross, Gallia Judaica, p. 420.