See Theodoret (in Vit. Patrum, l. ix. p. 848-854), Antony (in Vit. Patrum, 1. i. p. 170-177), Cosmas (in Asseman. Bibliot. Oriental. tom. i. p. 239-253), Evagrius (1. i. c. 13, 14), and Tillemont (Mem. Eccles. tom. xv. p. 347-392).