Search results

of Decline. Cambridge, UK: Cambridge University Press. p. 329. ISBN 9781107033306. Obolensky, Dimitri (1974) [1971]. The Byzantine Commonwealth: Eastern...

an Age of Decline. Cambridge University Press. pp. 260–262. ISBN 978-1-1070-3330-6. Kaegi, Walter E. (2003). Heraclius, Emperor of Byzantium. Cambridge...