- Abbaye de Corbie1
- Abbaye de Fontfroide1
- Abbaye de Montier-en-Der (Montier-en-Der, France)1
- Accademia degli Humoristi (Rome, Italy)1
- Accounting--Handbooks, manuals, etc.1
- Aeneas (Legendary character)1
- Aggada1
- Alexander III, Pope, -11811
- Allegories1
- Alphabet--Religious aspects1
- Alphabet--Religious aspects--Islam1
- Ambrosian rite (Catholic Church)1
- Anecdotes1
- Anselm, Saint, Archbishop of Canterbury, 1033-11091
- Anthony, of Padua, Saint, 1195-12311
- Anti-Catholicism1
- Anticlaudianus (Alanus, de Insulis)1
- Antonius, de Parma, active 1310-13231
- Apocryphal and legendary literature1
- Apocryphal books1