91. Free Library of Philadelphia, Lewis E M 65.78 DS ID: DS5582 Title: Antiphonary Place: Melk and Austria Date: 1425-1450
92. Free Library of Philadelphia, Lewis T673 DS ID: DS6325 Title: Music Place: Austria Date: 1200-1300
93. Free Library of Philadelphia, Lewis T675 DS ID: DS6327 Title: Music Place: Austria Date: 1400-1500