Barnes, Timothy D. Constantine and Eusebius (CE in citations). Cambridge, Massachusetts: Harvard University Press, 1981. Barnes, Timothy D. The New Empire of Diocletian and Constantine (NE in citations). Cambridge, Massachusetts: Harvard University Press, 1982.
Barnes, ,Timothy D. Constantine and Eusebius (CE in citations). Cambridge, Massachusetts: Har:vard University Press, 1981. Barnes, Timothy D. The New Empire of Diocletian and Constantine (NE in citations). Cambridge, Massac.husetts: Harvard University Press, 1982.