- To 6401
- Toledo, Pedro de, 1484-15531
- Toletanus, Alphonsus Corduba1
- Tosafot1
- Traditional medicine--Formulae, receipts, prescriptions1
- Tragedies (Seneca, Lucius Annaeus)1
- Transmutation (Chemistry)1
- Travel1
- Travel literature1
- Treviso (Italy). Podestà1
- Trials1
- Trials (Witchcraft)1
- Trials, litigation, etc.1
- Trierchi, Francesco1
- Truthfulness and falsehood1
- Turenne, Antoine de La Tour d'Auvergne, vicomte de1
- Turkish language--Versification1
- Turkish letters1
- Turkish prose literature1
- Turks1