1. University of Pennsylvania, Ms. Codex 150 DS ID: DS1385 Title: Ymbenttario delos bienes Place: Salamanca Date: 1540.
2. University of Pennsylvania, Ms. Coll. 105 DS ID: DS1755 Title: Letter Author: Charles V Date: 1553
3. University of Pennsylvania, Ms. Coll. 106 DS ID: DS1756 Title: Letter Author: Charles V Date: 1529