- Astronomy15
- Astronomy, Arab16
- Astronomy, Arab--Tables1
- Astronomy, Medieval1
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Authority--Religious aspects--Islam1
- Authorship2
- Autographs31
- Avatars (Religion)5
- Azerbaijani poetry1
- Azharot1
- Aḥmad ibn Qāsim, 1813 or 1814-approximately 1856 or 1857. Wasīlat al-mubtadiʼīn li-ʻilm ghurrat al-shuhūr wa-al-sinīn1
- Aḥsāʼī, Aḥmad ibn Zayn al-Dīn, 1753-1826. Fawāʼid1
- Babism1
- Babur, Emperor of Hindustan, 1483-15301
- Bacterial diseases1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)1
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)1
- Bahai Faith3
- Bahai Faith--Sacred books1