- Arabic wit and humor1
- Arbaʻūn al-Nawawīyah (Nawawī)1
- Arbitration agreements, Commercial1
- Arithmetic5
- Armorial bindings1
- Astrolabes6
- Astrology1
- Astrology, Arab5
- Astronomical instruments2
- Astronomy7
- Astronomy, Arab16
- Astronomy, Greek1
- Astronomy, Medieval1
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah2
- Authority--Religious aspects1
- Autographs222
- Avicenna, 980-1037. Ishārāt wal-al-tanbīhāt1
- Ayyuhā al-walad (Ghazzālī)1
- Aḥsāʼī, Aḥmad ibn Zayn al-Dīn, 1753-1826. Fawāʼid1