1. Columbia University Rare Book & Manuscript Library, MS X893 AL1 DS ID: DS18855 Title: Signatures Author: David Mill Place: Utrecht Date: 1748-1757.
2. University of Pennsylvania, CAJS Rar Ms 493 DS ID: DS26109 Title: Pinkas Author: Friemann, Avraham Place: BischheimFranceSaxonyGermanyPragueCzech Republic Date: 1798-1799