- Companions of the Prophet Muhammad2
- Concordances1
- Confession--Catholic Church1
- Consolation1
- Contemporary bindings1
- Controversial literature3
- Coptic Christian saints2
- Coptic manuscripts1
- Court records1
- Creation (Islam)1
- Criticism and interpretation3
- Criticism, Textual2
- Criticism, interpretation, etc.19
- Crusades2
- Crusades (Second) (1147-1149)1
- Cyropaedia (Xenophon)1
- Cyrus, the Great, King of Persia, -530 B.C. or 529 B.C.1
- Dante Alighieri, 1265-13212
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Risālah fī īmān Firʻawn1
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Zawrāʼ1