847 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "847" in English language version.

Last modified: 01:07:09, 11 April 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

560^th place

313^th place

11books.google.com

3^rd place

3^rd place

11en.wikisource.org

82^nd place

41^st place

books.google.com (Global: 3^rd place; English: 3^rd place)

Kennedy, Hugh (2006). When Baghdad Ruled the Muslim World: The Rise and Fall of Islam's Greatest Dynasty. Cambridge, MA: Da Capo Press. p. 232. ISBN 978-0-306814808.

en.wikisource.org (Global: 82^nd place; English: 41^st place)

One or more of the preceding sentences incorporates text from a publication now in the public domain: Mann, Horace (1910). "Pope St. Leo IV". In Herbermann, Charles (ed.). Catholic Encyclopedia. Vol. 9. New York: Robert Appleton Company.

jhu.edu (Global: 560^th place; English: 313^th place)

muse.jhu.edu

Kreutz, Barbara M. (1996). Before the Normans: Southern Italy in the Ninth and Tenth Centuries. Philadelphia: University of Pennsylvania Press. p. 38. ISBN 0-8122-1587-7.