1. Free Library of Philadelphia, Lewis E 9 DS ID: DS4376 Title: Processional, Astronomical text, and Binding fragment Author: Catholic Church Place: Germany Date: 1450-1499, 1200-1299, and 900-999
2. Harvard University, MS Lat 290 DS ID: DS10806 Title: Li acerba Author: Cecco d'Ascoli Date: ca. 1400