- Atlantic Ocean--English Channel1
- Atlases (Geographic)1
- Attila, -4531
- Aurispa, Giovanni, approximately 1376-14591
- Austria1
- Averroës, 1126-1198. Talkhīs kitāb al-ʻIbārah1
- Averroës, 1126-1198. Talkhīṣ kitāb al-maqūlāt1
- Averroës, 1126-1198. Talkhīṣ madkhal Furfūriyūs1
- Azharī, Khālid ibn ʻAbd Allāh, -1499. Muqaddimah al-Azʹharīyah1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)1
- Bahaüddin Nakşibend, 1318-13891
- Bahjah al-Wardīyah (Ibn al-Wardī, Zayn al-Dīn ʻUmar ibn al-Muẓaffar)1
- Ballads, Italian1
- Balāṭunusī, Muḥammad ibn ʻAbd Allāh, 1395 or 1396-1459. Mukhtaṣar Minhāj al-ʻābidīn1
- Baptism1
- Baptism of Jesus Christ1
- Baraita of 32 rules1
- Barbara, Saint1
- Baroncelli, Francesco1
- Bartolo, of Sassoferrato, 1313-13571