Author
- Confraternity of St. Peter martyr (Palencia)1
- Confraternity of St. Silvester (Zadar, Croatia)1
- Conrad of Saxony1
- Conte di Ottomano Freducci1
- Cristoforo di Guidantonio de Piccolomini1
- Cyriacus, Bishop of al-Bahnasā1
- Cyrillus de Quidenon1
- Daffyd ap Philip1
- Damasus I1
- David Crychton1
- De Lazara, Nicoló1
- Dieudonné Cabanier1
- Dimitrios Chalkokondyles1
- Diodorus Siculus1
- Duchy of Milan1
- Duchy of Parma and Piacenza1
- Edmund de Dronfeld1
- Edmund of Abingdon1
- Edward III of England1
- Edward IV of England1