Author
- Charles the Bold1
- Cherubino da Spoleto1
- Christine de Pizan1
- Christopher John Davenport1
- Clement V1
- Coelius Sedulius1
- Consiglio Generale1
- Continuator of Martin of Troppau1
- Coptic Orthodox Church1
- Council of Basel1
- Cristoforo di Guidantonio de Piccolomini1
- David Abudirham1
- De Lazara, Nicoló1
- Diya al-Din al-Maqdisi1
- Duchy of Milan1
- Einhard1
- Elijah Bashyazi1
- Elishaʻa, ha-Yeṿani1
- Enguerrand de Monstrelet1
- Euclid1