1. Harvard University, MS Lat 493 DS ID: DS10351 Title: Breviary Author: Catholic Church Date: circa 1385-1390.
2. Harvard University, MS Lat 485 DS ID: DS10359 Title: Breviary Author: Catholic Church Date: circa 1400-1500.
3. Harvard University, MS Lat 267 DS ID: DS10836 Title: Breviary Author: Catholic Church Date: ca. 1381