- Artillery1
- Astronomy1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah1
- Atoms1
- Awḍaḥ al-masālik ilá Alfīyat Ibn Mālik (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Ayyubids1
- Bassāmat ahl al-bayt (Wazīrī, Ibrāhīm ibn Muḥammad)1
- Bayḍāwī, ʻAbd Allāh ibn ʻUmar, d. 1286? Lubb al-albāb1
- Baṭāʼiḥī, Manṣūr ibn Mūsá, -12931
- Ben Yijû, Abraham, active 12th century1
- Beverages1
- Bible. Matthew1
- Bomma, active 12th century1
- Bosnia and Herzegovina--Sarajevo1
- Botany1
- Bulqīnī, ʻUmar ibn Raslān, 1324-14031
- Burhān al-Sharīʻah, Maḥmūd ibn ʻUbayd Allāh, -1274 or 1275. Wiqāyat al-riwāyah1
- Bālisī, Abū Bakr ibn Qiwām, -12601
- Calendars1
- Caliphate1