1. University of Chicago, Codex Ms. 22 DS ID: DS16660 Title: Distinctiones Author: Gerardo da Siena and Giles of Rome Place: Italy Date: approximately 1466-1470
2. University of Chicago, Codex Ms. 1487 DS ID: DS16926 Title: Ferial Psalter and Psalter Author: Catholic Church Place: Cologne Date: 1477