971. Columbia University Rare Book & Manuscript Library, MS X893.15 Z6 v.44 DS ID: DS20002 Title: Piyyutim Place: undetermined Date: 15--
972. Columbia University Rare Book & Manuscript Library, MS X893.19 C684 DS ID: DS20018 Title: Documents Place: Venice and Italy Date: 1572-1622.
973. University of Pennsylvania, CAJS: RAR MS 85.126.28 DS ID: DS26170 Title: Letter Date: 1500?-1699?.