- Criticism, Textual12
- Criticism, interpretation, etc.19
- Croatia--Dalmatia1
- Cronica general de España (Ocampo, Florián de)1
- Crusades2
- Crusades (Fifth) (1218-1221)1
- Crusades (Fourth) (1202-1204)1
- Crusades (Second) (1147-1149)1
- Cuenca, Alonso Gaytan de1
- Cuenca, Francisco Gaytan de1
- Cuenca, Juan Gaytan de1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Customary law3
- Customs administration2
- Cynics (Greek philosophy)1
- Cyprian War (1570-1571)1
- Cyprus4
- Cyprus--Paphos (District)1
- Czech Republic1
- Czech Republic--Brno1