Former Owner
- Thomas Syddell1
- Vatican Library1
- Vincenzo Malacarne1
- Vincenzo Paolino Missinisi1
- Walter Ashburner1
- Walter Thomas Wallace1
- Wasservas1
- William Augustus White1
- William Cumming Wilde1
- William Douglas-Hamilton, 12th Duke of Hamilton1
- William Ely1
- William Ewart Gladstone1
- William Gibbons Medlicott1
- William H. Herriman1
- William H. Robinson Ltd.1
- William Harris Arnold1
- William Horatio Crawford1
- William N. Bullard1
- William Stuart1
- Willie Wilde1