The Antiquary: a magazine devoted to the study of the past, Volume 17 edited by Edward Walford, John Charles Cox, George Latimer Apperson - page 202 [2]
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. Retrieved 23 September 2017.
How the Chicken Conquered the World - By Jerry Adler and Andrew Lawler - Smithsonian magazine, June 2012 [3]Archived 5 November 2012 at the Wayback Machine
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How the Chicken Conquered the World - By Jerry Adler and Andrew Lawler - Smithsonian magazine, June 2012 [3]Archived 5 November 2012 at the Wayback Machine