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 folio Case MS 150 DS ID: DS18203 Title: Indulgence and Letter Author: Catholic Church and Sixtus IV Place: Florence and Italy Date: 1481 April 25.