1. Columbia University Rare Book & Manuscript Library, MS X893.19 K71 no. 1 DS ID: DS18713 Title: Letter and Hebrew text Author: Meʼir Tsevi ben Gavriʼel Ṿiṭmayer Place: Ukraine Date: 1863.
2. Columbia University Rare Book & Manuscript Library, MS X893 P655 DS ID: DS19323 Title: Pinkas and Record Place: Turkey Date: 1876.