Author
- Abraham bar Hiyya1
- Abraham ben Isaac Lattes1
- Abraham ben Mordecai Farissol1
- Abraham ben Shem-Ṭob1
- Accursius1
- Achilles Statius1
- Adam of Bockenfield1
- Aelius Donatus1
- Alamanno Gerardi1
- Albertus de Saxonia1
- Alcuin1
- Aldobrandino da Siena1
- Alessandro da Sassoferrato1
- Alexander Bonini1
- Alexander V1
- Alfonso Spezzani1
- Alfonso X of Castile and Leon1
- Ali ibn Ridwan1
- Alphonsus Pantius1
- Ambrosians1