Julius I
Brief account of the pontificate of Pope St. Julius I, by Karen Rae Keck.
Julius I, Saint
Brief biographical article in the Columbia Encyclopedia, 6th ed.
Pope St. Julius I
A Roman, anti-Arian, supporter of St. Athanasius. Julius died in 352. Biographical article in the Catholic Encyclopedia.
St. Julius I
Brief biography, from "Popes Through the Ages" by Joseph Brusher.