1. Columbia University Rare Book & Manuscript Library, MS General 163 DS ID: DS18927 Title: Legal texts Author: Avraham Mosheh Leʼon Place: France Date: 1764.
2. Columbia University Rare Book & Manuscript Library, MS X893c C22 v.11 DS ID: DS19369 Title: Hebrew texts Place: France Date: 1805.
3. Columbia University Rare Book & Manuscript Library, MS X893C J55 V.34 DS ID: DS19783 Title: Responsa Place: France Date: 1778.