- Charts, diagrams, etc.3
- Christianity and other religions3
- Coffee3
- Conduct of life3
- Constellations3
- Coptic language3
- Cosmography3
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Risālah al-qadīmah fī ithbāt al-wājib3
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Risālah qadīmah li-ithbāt al-wājib3
- Dhimmis (Islamic law)3
- Dunquzī, ʻAbd Allāh, active 17th century. Bināʼ al-afʻāl3
- Durr al-mukhtār (Ḥaṣkafī, Muḥammad ibn ʻAlī)3
- Duʻāʼ al-qunūt3
- Fasts and feasts--Islam3
- Fatḥ al-ʻAzīz fī sharḥ al-Wajīz (Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad)3
- Fever3
- Fortune-telling3
- Fāṭimah, -632 or 6333
- God (Islam)--Love3
- God--Proof, Ontological3