Author
- Charles IV1
- Cistercians1
- Coelius Sedulius1
- Cologne Charterhouse1
- Continuator of Martin of Troppau1
- Council of Basel1
- Cyprian1
- Ephrem the Syrian1
- Eucherius of Lyon1
- Eugippius1
- Eusebius of Caesarea1
- Franz Helm1
- Georg von Peuerbach1
- Giovanni Boccaccio1
- Gregory of Tours1
- Guido de Monte Rochen1
- Guido delle Colonne1
- Guillaume de Lanicia1
- Haimo of Auxerre1
- Hanns von Saher1