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????????? ( ???? ?????? : Προκ?πιο?) (325/326 ? 27 ??? 366 ?????) ????? ?? ???? ??? ???? ???? ????

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Hugh Elton (2018)? The Roman Empire in Late Antiquity: A Political and Military History ? Cambridge University Press
Ian Hughes (5 August 2013)? Imperial Brothers: Valentinian, Valens and the Disaster at Adrianople (????? ???????)? Pen and Sword? ISBN 978-1-4738-2863-6
A.H.M. Jones ? J.R. Martindale ? J. Morris (1971)? Prosopography of the Later Roman Empire ? 1 ? Cambridge University Press? ISBN 0-521-07233-6
Noel Lenski (2003)? Failure of Empire: Valens and the Roman State in the Fourth Century A.D. ? Berkeley: University of California Press? ISBN 0-520-23332-8
Raymond Van Dam (2002)? Kingdom of Snow: Roman Rule and Greek Culture in Cappadocia? University of Pennsylvania Press