Author
- Ascanio Savorgnano3
- Ascanio Sforza1
- Asher ben Jehiel1
- Ashtavakra2
- Asiriddini Akhsikatī1
- Asmus Biersteden1
- Assar Tabrizi2
- Assembly of the French clergy1
- Ataullah Mehmet Efendi1
- Athanasius of Alexandria2
- Athīr al-Dīn al-Abharī1
- Attar of Nishapur12
- Audax1
- Augustine of Hippo75
- Augustinians1
- Augustinus Triumphus1
- Augustinus de Leonissa1
- Aulus Gellius1
- Aurangzeb1
- Aurelius Victor2