1. Newberry Library, VAULT Wing MS oversize ZW 5351 .96 DS ID: DS18066 Title: Letter Author: Catholic Church and Clement VIII Place: Rome Date: 1596.
2. Newberry Library, VAULT Case Wing MS ZW 535 .B943 DS ID: DS18260 Title: Letter Author: Michelangelo Place: Rome Date: 1545 February?