1. University of Missouri, Fragmenta Manuscripta 206 DS ID: DS10279 Title: Letter and Notes Place: Germany Date: 1642, April 23; s. XVII(med); 1640-1660 and s. XVII(med); 1640-1660
2. Columbia University Rare Book & Manuscript Library, MS X893 Z8 v.2 no.4 DS ID: DS19520 Title: Letter and Hebrew text Author: Hirsh Kunrat Place: Germany Date: 1797.