- Cosimo I, Grand-Duke of Tuscany, 1519-15741
- Costapellegrina, Giovan Andrea1
- Court decisions and opinions1
- Courtesy books1
- Coutinho, Francisco de Sousa, 1597 or 1598-16601
- Crimean War (1853-1856)1
- Criminal procedure1
- Criticism, Textual1
- Croatia--Dalmatia1
- Cronica general de España (Ocampo, Florián de)1
- Crusades (Fourth) (1202-1204)1
- Crusades (Second) (1147-1149)1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Cynics (Greek philosophy)1
- Cyprian War (1570-1571)1
- Czech Republic--Brno1
- Czech Republic--Prague1
- Damanhūrī, Aḥmad ibn ʻAbd al-Munʻim1
- Dante Alighieri, 1265-13211
- Dawwānī, Muḥammad ibn Asʻad, 1426 or 1427-1512 or 15131