927 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "927" in English language version.

refsWebsite

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2books.google.com

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books.google.com

Fine, John V. A. Jr. (1991) [1983]. The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century. Ann Arbor: University of Michigan Press. p. 161. ISBN 0-472-08149-7.
Kennedy, Hugh (2013). "The Reign of al-Muqtadir (295–320/908–32): A History". Crisis and Continuity at the Abbasid Court: Formal and Informal Politics in the Caliphate of al-Muqtadir (295-320/908-32). Leiden: Brill. pp. 13–47. ISBN 978-90-04-25271-4.