- Aegidius, Saint, Abbot1
- Aesop's fables1
- Aesthetics1
- Affinity (Law)1
- Africa--Atlantic Coast1
- Agamemnon, King of Mycenae (Mythological character)1
- Agazaria, Claudio Boncompagni di1
- Aggada1
- Agreda, Dominici d'1
- Agriculture--Accounting1
- Ahmet Mithat, 1844-19121
- Al-Munajjim al-Kashi, Yahya ibn Imad bin Yahya1
- Albania--Gjirokastër1
- Albertus de Fontanella1
- Albizzi family1
- Albizzi, Costanza1
- Alchemy--Manuscripts1
- Alcoholism--Religious aspects--Islam1
- Aldobrandini, Giovanni degli1
- Alessandri, Alessandro degli1