James B.H. Hawkins - Translator's introductory notice to Peter of Alexandria, from Ante-Nicene Fathers, vol. 6. Brief, but copiously annotated. Unfortunately followed by A. Cleveland Coxe's gratuitous iconoclastic, anti-monastic harangue. - http://www.ccel.org/ccel/schaff/anf06.ix.ii.html
Lives of the Saints - St. Peter, martyr, bishop of Alexandria. From Fr. Alban Butler's Lives of the Saints. - http://www.ewtn.com/library/MARY/PETEALEX.htm
St. Peter of Alexandria - Became bishop of Alexandria in 300, and was martyred in 311. - http://www.newadvent.org/cathen/11771a.htm