- Authors, Classical18
- Authors, Latin1
- Authorship2
- Autobiographies1
- Autograph albums1
- Autographs508
- Autos-da-fé4
- Avatars (Religion)17
- Aveiro, Gabriel de Lencastre, Duque de, 1667-17451
- Averroës, 1126-1198. Talkhīs kitāb al-ʻIbārah1
- Averroës, 1126-1198. Talkhīṣ kitāb al-maqūlāt1
- Averroës, 1126-1198. Talkhīṣ madkhal Furfūriyūs1
- Avesta. Yasna1
- Avicenna, 980-10371
- Avicenna, 980-1037. Ishārāt wal-al-tanbīhāt2
- Avicenna, 980-1037. Qaṣidah rūḥānīyah1
- Avicenna, 980-1037. Qaṣīdah al-rūḥīyah1
- Avicenna, 980-1037. Tafsīr Sūrat al-Ikhlāṣ1
- Avicenna, 980-1037. Ṭūr al-asrār wa-jabal fī al-ghār1
- Avodah (Yom Kippur liturgy)5