Former Owner
- William G. Kelso1
- William Gonstone1
- William H. Herriman1
- William H. Robinson Ltd.1
- William H. Woodin1
- William Inglis Morse1
- William King Richardson1
- William Loring Andrews1
- William Lymnor of Sharrington1
- William Maskell1
- William Musgrave1
- William Roscoe1
- William Taylor Scheide1
- William Thynne1
- Willie Wilde1
- Winifred A. Myers Autographs Ltd1
- Wolfgang Täxer1
- Written in Flanders in the second quarter of the fifteenth century. A clipping accompanying the book from the GTS(?) Bulletin June 1968 says that Dr. John Plummer of the Pierpont Morgan Library identified the book1
- Written in France in the fourth quarter of the fifteenth century. The ownership portrait on f. 29 and the feminine forms in several prayers indicate that the book was made for a woman.1
- Yosef Ben Said Altanami1