- Accademia degli Humoristi (Rome, Italy)1
- Acciaioli, Antonio1
- Acciaioli, Francesco1
- Accursius, glossator, approximately 1182-approximately 12601
- Acquittals1
- Acrostics (Poetry)1
- Administration1
- Aeneis (Virgil)1
- Africa1
- Africa--Atlantic Coast1
- Agnes, Saint, Martyr1
- Alban, Saint, -304?1
- Albertus de Fontanella1
- Alchemy--Bibliography1
- Aldobrandini, Giovanni degli1
- Alessandri, Alessandro degli1
- Alessandri, Niccolò degli1
- Alessandro, Pietro di1
- Alexander Balas, King of Syria, -145 B.C.1
- Alexander, de Villa Dei. Doctrinale puerorum1