- 510-265 B.C.1
- 69-961
- Abbazia di S. Maria di Porcilia (Padua, Italy)1
- Abbazia di Santa Giustina (Padua, Italy)1
- Abbazia di Santo Stefano (Pistoia, Italy)1
- Abbots1
- Absolution1
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, -983? Muqaddimah1
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, -983? Muqaddimah fī al-ṣalāh1
- Acquisition of manuscripts1
- Acquittals1
- Acrostics1
- Actions and defenses1
- Administration1
- Affinity (Law)1
- Afghanistan1
- Aggada1
- Agnes, Saint, Martyr1
- Agreda, Dominici d'1
- Agriculture--Economic aspects1