1. Columbia University Rare Book & Manuscript Library, MS X893 Z8 v.2 no.3 DS ID: DS18606 Title: Responsa Author: Ishmael ben Abraham Isaac ha-Kohen Place: Italy Date: 17--
2. University of Pennsylvania, Halper 162 DS ID: DS25674 Title: Responsa Author: Joseph Trani Place: Italy Date: 16th century-17th century