461. Free Library of Philadelphia, Lewis E M 18:5-8 Title: Book of hours Place: Holland Date: 1475-1499
463. Free Library of Philadelphia, Lewis E M 18:10 Title: Antiphonary Place: Netherlands Date: 1475-1499
464. Free Library of Philadelphia, Lewis E M 18:11 Title: Antiphonary Place: Netherlands Date: 1490-1510