Commodus, Roman emperor. [111]
Constantine the Great, emperor. [8] [10] [22] [100] [101] [111] [113] [129]
Constantinople. [8] [9] [101] [102] [105] [113] [141]
Constantius II., emperor. [8] [111] [113] [129]
Coptic language. [90] [105] [113] [116] [145] [149]
Coptos. [88] [113] [129] [143]
Corfe Castle, in England. [114]
Corfe Castle Obelisk. [10] [114] [140]
Crocodilopolis. [5] [11] [90] [103] [114] [120]
Cyriacus Matthæius, Roman senator. [153]