[See Eusebius, Vita Constantini]

  • R. MacMullen, Constantine (Routledge, 1987) [limited preview]
  • T. D. Barnes, Constantine and Eusebius (Harvard U P, 1981) [limited preview]
  • C. B. Coleman, Constantine the Great and Christianity. Three Phases: The Historical, the Legendary, and the Spurious (New York, 1914) [link]
  • J. B. Firth, Constantine the Great: The Reorganisation of the Empire and the Triumph of the Church (New York, 1905) [link]