- Spain--Seo de Urgel1
- Spain--Seville1
- Spain--Tarazona de Aragón1
- Speeches, addresses, etc., Latin1
- Switzerland1
- Süleyman I, Sultan of the Turks, 1494 or 1495-15661
- Tasʹhīl al-fawāʼid wa-takmīl al-maqāṣid (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Teodósio, Prince of Portugal, 1634-16531
- Trials (Heresy)1
- Turkish Conquest of Cyprus (Cyprus : 1570-1571)1
- Twelfth century1
- Universidad de Salamanca1
- Urban VII, Pope, 1521-15901
- Wills1
- annotations1
- chronologies (lists)1
- executive records1
- inventories1
- laws (documents)1
- letters (correspondence)1