- Calligraphy Theory Book(upper part) by Sun Guoting
- Calligraphy Work: to Brew Tea
- Callimachus
- calling of the conscience
- calling structure，response-inviting structure
- Callipic cycle
- Callippus
- callipterids
- Callirrhoe
- Callisthenes of Olynthus
- Callisto
- call loan
- call number
- callose
- callose synthetase
- Callovian Stage
- call request packet
- calls
- call setup time
- call the police on 122
- callus
- callus regeneration system
- CALM
- calm and quiet extra meridians
- calm day