Author
- Chananel ben Chushiel1
- Chananel ben Shmuel1
- Charles IV1
- Church of the East1
- Cipriano de Valera1
- Claudianus Mamertus1
- Coluccio Salutati1
- Confraternita della Santa Croce in Lucca1
- Confraternity of Saint Eulalia and Saint Gênes1
- Confraternity of St. Silvester (Zadar, Croatia)1
- Conrad of Saxony1
- Conte Gabuzzi1
- Continuator of Martin of Troppau1
- Council of Basel1
- Cudamani1
- Cyprian1
- Cyriacus, Bishop of al-Bahnasā1
- Cyrillus de Quidenon1
- Daffyd ap Philip1
- Daivajña1