- Abū al-Saʻūd Muḥammad ibn Muḥammad, 1492 or 1493-1574 or 1575. Fatāwá1
- Acciaioli, Antonio1
- Acciaioli, Francesco1
- Account books6
- Accounting34
- Actions and defenses (Islamic law)1
- Administration3
- Administration of estates1
- Adrian VI, Pope, 1459-15231
- Afghanistan1
- Afghanistan--Herat2
- Agazaria, Claudio Boncompagni di1
- Agreda, Dominici d'1
- Agriculture1
- Agriculture--Accounting1
- Agriculture--Economic aspects2
- Agustín, Antonio, 1517-1586. Dialogos de medallas inscriciones y otras antiguedades1
- Ahmet Mithat, 1844-19121
- Ahoms (Indic people)1
- Ajurrūmīyah (Ibn Ājurrūm, Muḥammad ibn Muḥammad)1