- Copper mines and mining1
- Cosimo I, Grand-Duke of Tuscany, 1519-15741
- Costa, Gaspar, active 1533-15341
- Court decisions and opinions1
- Courts and courtiers1
- Creation (Islam)1
- Crespo, Johannes1
- Crimean War (1853-1856)1
- Criminal courts1
- Criminal procedure1
- Cruciger, Kaspar, 1504-15481
- Customs administration1
- Cyprus1
- Czech Republic--Brno1
- Czech Republic--Prague1
- Cáceres Gatica, Alonso de1
- Danii︠a︡l-sultan1
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 15131
- De la Peña family1
- De pulsibus libellus ad tirones (Galen)1