1. Columbia University Rare Book & Manuscript Library, MS X893 Se33 DS ID: DS18985 Title: Purim texts Author: Leʼon di Belentish Place: Italy Date: 1779.
2. Columbia University Rare Book & Manuscript Library, MS X893 Se394 DS ID: DS19823 Title: Hebrew texts Author: Leʼon di Belentish Place: undetermined Date: 17--