- Contracts1
- Contracts (Islamic law)1
- Controversial literature1
- Contubernium rosae1
- Correspondence1
- Cosimo I, Grand-Duke of Tuscany, 1519-15741
- Courts1
- Coutinho, Francisco de Sousa, 1597 or 1598-16601
- Criminal procedure1
- Cronica general de España (Ocampo, Florián de)1
- Cryptography1
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- Cyrus, the Great, King of Persia, -530 B.C. or 529 B.C.1
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- Dawlatābādī, Aḥmad ibn ʻUmar, d. 1445 or 6. Sharḥ al-Kāfiyah1
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 1513. Risālah al-qadīmah fī ithbāt al-wājib1
- De interpretatione (Aristotle)1
- Death and burial of a person1