863. Free Library of Philadelphia, Lewis E M 44:15 Title: Antiphonary Place: Regensburg Date: 1300-1315
866. Free Library of Philadelphia, Lewis E M 44:18 Title: Devotional text Place: Augsburg Date: 1500-1525
868. Free Library of Philadelphia, Lewis E M 44:20-22 Title: Gradual Place: Middle Rhine Date: 1475-1499