Author
- Aquila Romanus 1
- Aratus Solensis 2
- Arcesilai Epistula 1
- Archilochus 2
- Archimedes 2
- Aretaeus of Cappadocia 2
- Arethas, Archbishop of Caesarea (Cappadocia), ca. 860-ca. 940 1
- Argumenta Aeneidis et Tetrasticha in cunctis libris Vergilii 4
- Aristarchus, of Samos 1
- Ariston, of Chios 1
- Aristotle. 384-322 10
- Arrian 7
- Artaxerxis Epistulae 1
- Athenaeus of Naucratis 2
- Augustine Saint, Bishop of Hippo 10
- Augustus Emperor of Rome 63 B.C.-14 A.D. 1
- Aurelianus, Caelius 1
- Ausonius, Decimus Magnus. 2
- Autolycus 1
- Babrius. 1
