Author
- Antonius Beraldus1
- Antonius Gryphius1
- Antonius Verherent1
- Antonius de Carlenis1
- Antonius de Vecelli1
- António Nunes Ribeiro Sanches1
- Apostolic Camera1
- Appayya Dikshita1
- Arai Hakuseki1
- Archduke Ernest of Austria1
- Arjāsp Umīdī al-Ṭihrānī1
- Arnaud, Claude, active 1660-1661.1
- Arnold Goerinus1
- Arrigucci family1
- Arīnī, Muḥammad ibn Najm1
- Ascanio Sforza1
- Asiriddini Akhsikatī1
- Asmus Biersteden1
- Assar Tabrizi1
- Assembly of the French clergy1