Catholic Encyclopedia: Chronicle of Eusebius
Introductory article.
Catholic Encyclopedia: Eusebius of Caesarea
Biographical article.
Early Christian Writings: Eusebius of Caesarea
Includes e-texts of: Against Hierocles; Demonstratio Evangelica (The Proof of the Gospel); Encomium on the Martyrs; The History of the Martyrs in Palestine; Theophania.
Nicene and Post-Nicene Fathers: Eusebius Pamphiliu
Includes e-texts of Church History; The Life of the Blessed Emperor Constantine; The Oration of the Emperor Constantine; The Oration in Praise of the Emperor Constantine.