Author
- Cologne Charterhouse1
- Compagnia del Gonfalone de Roma1
- Confraternity of Saint Eulalia and Saint Gênes1
- Confraternity of St. Peter martyr (Palencia)1
- Confraternity of St. Silvester (Zadar, Croatia)1
- Constantine the African1
- Conte di Ottomano Freducci1
- Cornelius Nepos1
- Cristoforo di Guidantonio de Piccolomini1
- Cyriacus, Bishop of al-Bahnasā1
- Daffyd ap Philip1
- Damasus I1
- David Crychton1
- David Kimhi1
- David of Augsburg1
- De Lazara, Nicoló1
- Diego de San Pedro1
- Dieudonné Cabanier1
- Dimitrios Chalkokondyles1
- Diodorus Siculus1