Among his unpublished works, special mention may be made of the Ronnu le-Ya'aḳob, in which he calls himself "the proselyte" ("ger ẓedeḳ").
Among his unrecorded works, special mention should be given to the Ronnu le-Ya'aḳob, in which he refers to himself as "the righteous proselyte" ("ger ẓedeḳ").