1. Columbia University Rare Book & Manuscript Library, MS General 236 DS ID: DS19147 Title: Letters Place: Italy Date: Late 17th century - 1729.
2. University of Pennsylvania, CAJS Rar Ms 489 DS ID: DS25800 Title: Meditational verses for the High Holidays Author: Yaḥya, Avraham, 17th century Place: Italy Date: between 1600 and 1633