1. Columbia University Rare Book & Manuscript Library, MS X893 Sh3 DS ID: DS19283 Title: Responsa Place: Jerusalem Date: 18--
2. Columbia University Rare Book & Manuscript Library, MS X893 M6846 DS ID: DS19389 Title: Responsa Author: Petaḥyah Mordekhai Berdugo Place: undetermined Date: 18--
3. Columbia University Rare Book & Manuscript Library, MS X893 M6846 DS ID: DS19392 Title: Responsa Place: Morocco Date: 18--