1. University of Pennsylvania, Misc Mss Box 6 Folder 3 DS ID: DS805 Title: Miscellany Author: House of della Rovere Date: 1508, 1513.
2. University of Pennsylvania, Misc Mss Box 6 Folder 52 DS ID: DS810 Title: Miscellany Author: Ranuccio Farnese Date: 1548.
3. Newberry Library, VAULT Ayer MS 1275 no. 2 DS ID: DS17666 Title: Report Place: Mexico City Date: 1539 April 27.