- Aesop's fables1
- Agamemnon, King of Mycenae (Mythological character)1
- Agazaria, Claudio Boncompagni di1
- Agnes, Saint, Martyr1
- Agreda, Dominici d'1
- Alban, Saint, -304?1
- Albertus de Fontanella1
- Albigenses1
- Albizzi, Costanza1
- Albums (Books)1
- Alchemy--Bibliography1
- Alcuin, 735-8041
- Alcuin, 735-804. Correspondence1
- Aldobrandini, Giovanni degli1
- Aleramo, Marquis of Monferrato, -9671
- Alessandri, Alessandro degli1
- Alessandri, Niccolò degli1
- Alessandro, Pietro di1
- Alexander Balas, King of Syria, -145 B.C.1
- Alexander, de Villa Dei. Doctrinale puerorum1