1. Columbia University Rare Book & Manuscript Library, MS X893 C73 DS ID: DS18551 Title: Hebrew texts Author: Judah ben Saul ibn Tibbon Place: undetermined Date: 14--
2. Columbia University Rare Book & Manuscript Library, MS X893 Sa11 DS ID: DS19071 Title: Hebrew texts Author: Saadia Gaon Place: Italy Date: 17--