Barnes T.D., The New Empire of Diocletian and Constantine, Harvard 1982

Corcoran S., The Empire of the Tetrarchs. Imperial Pronouncements and Government, AD 284-324, Oxford 1996

Nicholson O., "Constantine's Vision of the Cross", Vigiliae Christianae, 54:3, 2000, 309-323

Barnes T.D., Constantine and Eusebius, Cambridge Mass. 1981

MacMullen R., Christianizing the Roman Empire, New Haven 1984

Καμάρα Α., Η αντιπαγανιστική νομοθεσία της Ύστερης Ρωμαϊκής Αυτοκρατορίας μέσα από τους κώδικες, Αθήνα 2000

Klein H.A., "Constantin, Helena, and the Cult of the True Cross in Constantinople", Durand, J. – Flusin, B. (eds), Byzance et les reliques du Christ, Paris 2004, 31-59

Drijvers J.W., Helena Augusta. The Mother of Constantine the Great and the Legend of Her Finding of the True Cross, Leyden – New York 1992

Barnes T.D., "Lactantius and Constantine", JRS 63 (1973), 63, 1973, 29-46

Cameron A., "The Reign of Constantine, AD 306-337", Bowman, A. – Cameron, A. – Garnsey, P. (eds), The Cambridge Ancient History XII: The Crisis of Empire, Cambridge 2005

Drake H.A., "Constantine and Consensus", Church History, 64, 1995, 1-15

Drake H.A., Constantine and the Bishops. the Politics of Intolerance, Baltimore 2000

Fowden R., "The Last Days of Constantine. Oppositional Versions and their Influence", JRS, 84, 1994, 146-170

Bleckmann B., "Sources for the History of Constantine", Lenski, N. (ed.), The Cambridge Companion to the Age of Constantine, Cambridge 2006

Odahl C.M., Constantine and the Christian Empire, New York 2004

Pohlsander H.A., Helena. Empress and Saint, Chicago 1995

Cameron A., The Later Roman Empire AD 284-430, London 1993