Donatus and Donatism, [245], [287] f., [289] ff., [322-325], [445-454].
Dynamistic Monarchianism, [172-175], [221], [225-229], [298].
Easter, worship on, [164].
Easter, controversy as to date, [161-165], [291], [295], [375], [570], [605] ff.
Ecumenical Patriarch, Gregory the Great on the title, [592-595].
Edessa, Christianity in, [54].
Elvira, council of (A. D. 309), [386], [415].
Emanations, Gnostic theory of, [85] f., [94] f.
Encratites, [105].