- Correspondence (Namık Kemal)1
- Corró de Munt (Spain)1
- Corsini, Bartolomeo1
- Corsino, Pietro di1
- Cortesi, Girolamo1
- Cortigiani, Giovanni1
- Cosimo II, Grand Duke of Tuscany, 1590-16211
- Cosimo III, Grand-Duke of Tuscany, 1642-17231
- Cosmology1
- Cosmology, Ancient1
- Cosmology, Medieval1
- Costa, Gaspar, active 1533-15341
- Costume1
- Costume--Kamakura-Momoyama periods1
- Cotton trade1
- Cottricciaio, Mariotto1
- Council of Trent1
- Country life1
- Courtly love in literature1
- Courts and courtiers--Clothing1