- Ardabīlī, Muḥammad ibn ʻAbd al-Ghanī, -1249 or 1250. Sharḥ al-Unmūdhaj1
- Arithmetic6
- Asceticism1
- Asia1
- Astrolabes4
- Astrology1
- Astrology, Arab3
- Astronomical instruments2
- Astronomy2
- Astronomy, Arab11
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah2
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- Authors, Arab1
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- Avicenna, 980-1037. Ishārāt wal-al-tanbīhāt1
- Avicenna, 980-1037. Qaṣīdah al-rūḥīyah1
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- Aḥmad ibn Qāsim, 1813 or 1814-approximately 1856 or 1857. Wasīlat al-mubtadiʼīn li-ʻilm ghurrat al-shuhūr wa-al-sinīn1
- Aḥsāʼī, Yaḥyá ibn Ḥusayn, active 17th century-18th century1