Encyclopedias, Almanacs, Transcripts, and Maps
- Caramanlis, Constantine
- Caravaca de la Cruz
- Caraway, Hattie Wyatt
- carbaryl
- Carbo, Cneius Papirius
- carbolic acid
- carboloy
- carbon black
- carbon disulfide
- carbon-nitrogen-oxygen cycle
- carbonado
- carbonated beverage
- Carbondale
- carbonite
- Carborundum
- Carcas
- Carco, Francis
- Cardamom Hills (mountains, India)
- Cardano, Geronimo
- Cárdenas