Former Owner
- William Trench1
- William Tyssen-Amherst, 1st Baron Amherst of Hackney2
- William Wadden Turner1
- William Wentworth-Fitzwilliam, 7th Earl Fitzwilliam1
- William Wix1
- William Wynham1
- William Young Ottley9
- Willie Wilde1
- Winifred A. Myers Autographs Ltd6
- Winslow Lewis1
- Wolfgang G. Scholz1
- Wolfgang Sigismund, Graf von Gallenberg1
- Wolfgang Täxer1
- Wolfman, Wm1
- Woodward-Ruth Collection1
- 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
- Written in Spain in the sixteenth century. A typed description of unknown origin attached to front pastedown suggests that the manuscript was written by an Italian scribe about 1500.1
- Wyndham Francis Cook1
- Ya'akov Yisra'el Levenshtam6