1. Free Library of Philadelphia, Lewis E M 6:1 DS ID: DS4712 Title: Prayer book Place: Bruges and Flanders Date: 1500-1525
2. Ohio State University, Spec.Rare.MS.MR.Frag.351 DS ID: DS11769 Title: Prayer book Place: Spain Date: ca. 1475
3. University of California, Berkeley, BANC MS UCB 303 DS ID: DS12572 Title: Prayer book Place: Spain Date: not before 1653.