1. University of Pennsylvania, Ms. Codex 853 DS ID: DS1695 Title: Letters Place: Italy Date: 1598-1612.
2. Columbia University Rare Book & Manuscript Library, MS X893.19 Sa1 DS ID: DS18706 Title: Letter and Hebrew text Author: ʻAzariah Ḥayyim Sanguinetti Place: Italy Date: 1759.