Former Owner
- Theodore Williams1
- Thomas Barber1
- Thomas Bateman1
- Thomas Boult1
- Thomas Dackomb1
- Thomas F. Richardson8
- Thomas FitzRoy Phillipps Fenwick1
- Thomas Gardner1
- Thomas Phillipps7
- Thomas Richardson1
- Thomas Shadford Walker1
- Thomas Thorpe1
- University of Chicago Library1
- Victor Christ1
- W. J. Gilbert4
- Warren C. Crane3
- Weiss & Co.1
- Wilfrid Voynich1
- William Bragge1
- William Burdett-Coutts1