1. Columbia University Rare Book & Manuscript Library, MS X893 T71 DS ID: DS18483 Title: Text on circumcision Place: undetermined Date: 1824.
2. Columbia University Rare Book & Manuscript Library, MS X893 L94 DS ID: DS19772 Title: Text on circumcision Author: Yosef ben Yehudah Lophsane Altstein Place: Belgium Date: 1826.