Subject
- Camden, William, 1551-16235
- Camels1
- Canning and preserving1
- Capacitors1
- Cardiidae1
- Cardiovascular system2
- Catalysis1
- Catapult2
- Catherine, of Braganza, Queen, consort of Charles II, King of England, 1638-17051
- Cavallo, Tiberius, 1749-18097
- Celestial globes1
- Celts1
- Cerne Giant (England)1
- Cerussite1
- Chapels1
- Charcoal1
- Charles II, King of England, 1630-16851
- Charles, Jacques Alexandre César, 1746-18231
- Cheiranthus cheiri2
- Chemical affinity1