Abu Hafs ibn Amr (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Abu Hafs ibn Amr" in English language version.

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Whittow 1996, pp. 310–317. Whittow, Mark (1996). The Making of Byzantium, 600–1025. Berkeley and Los Angeles, California: University of California Press. ISBN 978-0-520-20496-6.
Whittow 1996, p. 317. Whittow, Mark (1996). The Making of Byzantium, 600–1025. Berkeley and Los Angeles, California: University of California Press. ISBN 978-0-520-20496-6.
Runciman 1988, p. 137. Runciman, Steven (1988) [1929]. The Emperor Romanus Lecapenus and His Reign: A Study of Tenth-Century Byzantium. Cambridge: Cambridge University Press. ISBN 0-521-35722-5.
Treadgold 1997, p. 479. Treadgold, Warren (1997). A History of the Byzantine State and Society. Stanford, California: Stanford University Press. ISBN 0-8047-2630-2.