1. University of Chicago, Codex Ms. 1183 DS ID: DS16875 Title: Letter patent Author: Juana I of Castile Date: 1512.
2. University of Chicago, Bacon Ms1834 DS ID: DS21534 Title: Letter patent Place: England Date: 1308 or 1309
3. University of Chicago, Bacon Ms1835 DS ID: DS22223 Title: Letter patent Place: England Date: 1308 or 1309