- Astronomical instruments3
- Astronomy, Arab12
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah49
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah. Qism al-Ṭabīʻī wa-al-ilāhī2
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, d. 1265. Hidāyat al-ḥikmah5
- Atoms1
- Authority--Religious aspects2
- Autographs13
- Avicenna, 980-10371
- Avicenna, 980-1037. Ishārāt wal-al-tanbīhāt2
- Avicenna, 980-1037. Qaṣīdah al-rūḥīyah1
- Avicenna, 980-1037. Tafsīr Sūrat al-Ikhlāṣ1
- Avicenna, 980-1037. Ṭūr al-asrār wa-jabal fī al-ghār1
- Aḥsāʼī, Aḥmad ibn Zayn al-Dīn, 1753-1826. Fawāʼid1
- Aḥsāʼī, Aḥmad ibn Zayn al-Dīn, 1753-1826. Ziyādāt al-Fawāʼid1
- Badʼ al-amālī (Ūshī, ʻAlī ibn ʻUthmān)4
- Bahlawān, Mūsá ibn ʻAbd Allāh, -1720 or 1721. Risālah al-qiyāsīyah2
- Bail (Islamic law)1
- Basmalah4
- Battle of Karbalāʼ (Karbalāʼ, Iraq : 680)1