- Coffee--Religious aspects--Islam1
- Compass1
- Conics (Apollonius, of Perga)1
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- Coptic Church1
- Coptic Church--Liturgy--Texts--16th century1
- Coptic language--Glossaries, vocabularies, etc--Arabic--Early works to 18001
- Copts1
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- Dafrī, ʻUmar ibn ʻUmar, d. 1668. Durrah al-munīfah fī fiqh Abī Ḥanīfah1
- Damanhūrī, Aḥmad ibn ʻAbd al-Munʻim1
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Risālah al-qadīmah fī ithbāt al-wājib1
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Risālat al-Zawrāʼ1
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Zawrāʼ1
- Dayrūṭī, Muḥammad ibn Aḥmad, -1515 or 1516. Dimyāṭīyah1
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- Death notices1
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