11. Newberry Library, VAULT Case MS 101.1 DS ID: DS17863 Title: Letter Author: Lorenzo de' Medici Place: Florence Date: 1485 January 8.
12. Columbia University Rare Book & Manuscript Library, MS X893.19 Z6 no.3 DS ID: DS19458 Title: Letter Place: Hebron Date: 1841.
13. Columbia University Rare Book & Manuscript Library, MS X893.19 M68 DS ID: DS20033 Title: Hebrew texts Place: Greece Date: between 1850 and 1900?