Former Owner
- Sotheby's1
- St. Mary's College1
- Stephen Butler Rare Books & Manuscripts1
- Stuart Rose1
- Susan Minns1
- T. Royer1
- T. Whitcombe Greene1
- T.L. Hartung1
- That Guy with the Books1
- Theodore Newton Vail1
- Theodore Williams1
- Thomas Appleby1
- Thomas Gage1
- Thomas Kerrich1
- Thomas Mildmay1
- Thomas Richardson1
- Thomas Windus1
- Thoumin, sieur Du Bouillon1
- Vittorio Forti1
- W. E. Bools, Esq.1