Former Owner
- Sydney Cockerell62
- Sydney Edward Lucas3
- Sébastien de Rosmadec, marquis de Molac1
- T. Royer1
- T. Triphook1
- T. Whitcombe Greene1
- Tammaro De Marinis2
- Taschen von I. Kossel. R.1
- That Guy with the Books1
- Theodore Bruce Auctions1
- Theodore Williams1
- Thomas Appleby1
- Thomas Bateman1
- Thomas Bernardinus Braccioli1
- Thomas Blayds1
- Thomas Cole1
- Thomas Dare1
- Thomas Devynysh1
- Thomas E. Marston2
- Thomas Edwards1