- Augustinians1
- Eugene IV, Pope, 1383-14471
- Illumination of books and manuscripts1
- Italy--Grosseto1
- Italy--Perugia (Province)1
- Italy--Sarteano1
- Italy--Volterra1
- John VIII Palaeologus, Emperor of the East, 1392-14481
- Leo X, Pope, 1475-15211
- Military religious orders1
- Monasticism and religious orders1
- Orden de Santiago1
- Papal documents1
- Piccolomini della Triana, Silvio, 1878-19621
- Piccolomini, Enea di Giovanno di Nanni Todeschini1
- Politi, Clemente1
- Privileges and immunities, Ecclesiastical1
- Real property1
- Riario, Raffaello, 1451-15211
- Santa Trinità di Spineto (Monastery : Sarteano, Italy)1