Keywords
- Alfonso X, King of Castile and Leon, 1221-12841
- Algebra2
- Allegories1
- Alphabets1
- Ambrose, Saint, Bishop of Milan, -3971
- Ambrosian chants2
- Ambrosian rite (Catholic Church)1
- Amelius, Martyr1
- Amicus, Martyr1
- Animals1
- Annals and chronicles2
- Anne (Mother of the Virgin Mary), Saint1
- Annotations5
- Annotations (Provenance)1
- Anselm, Saint, Archbishop of Canterbury, 1033-11091
- Anthony, of Padua, Saint, 1195-12312
- Anthony, of Padua, Saint, 1195-1231--Prayers and devotions1
- Anticlaudianus (Alanus, de Insulis)1
- Antiphonaries24
- Antiphonaries (Service books)34