- Ambrosian rite (Catholic Church)1
- Amedei, Bartolomeo1
- Amidah (Jewish prayer)1
- Amideo, Chele d'1
- An authorization to perform a ritual slaughter according to the Jewish law by Avraham Mosheh Leʼon of Carpentras to his son Daniʼel, written on 25 of Tamuz 17641
- Anaphora1
- Andrea, Antonio di1
- Andrea, Fabiano di1
- Andrea, Michele di1
- Andrea, Piero di1
- Andrea, Pietro di1
- Andreucci, Bartolomeo1
- Anecdotes1
- Angeli, Niccolò, 1448-1
- Angels1
- Angels--Christianity1
- Angels--History of doctrines1
- Angeri, Ambrogio1
- Anglo-Norman dialect1
- Angulo family1