893 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "893" in English language version.

refsWebsite

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3^rd place

1^st place

167^th place

198^th place

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. 130. ISBN 0-472-08149-7.
Bianquis 1998, pp. 105–106. Bianquis, Thierry (1998). "Autonomous Egypt from Ibn Ṭūlūn to Kāfūr, 868–969". In Petry, Carl F. (ed.). Cambridge History of Egypt, Volume One: Islamic Egypt, 640–1517. Cambridge University Press. pp. 86–119. ISBN 0-521-47137-0.

"Earthquakes with 50,000 or More Deaths". Earthquake.usgs.gov. Archived from the original on September 1, 2009. Retrieved December 28, 2011.

"Earthquakes with 50,000 or More Deaths". Earthquake.usgs.gov. Archived from the original on September 1, 2009. Retrieved December 28, 2011.