811 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "811" in English language version.

refsWebsite
Global rank English rank
3rd place
3rd 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. ISBN 0-472-08149-7.
  • Treadgold, Warren (1997). A History of the Byzantine State and Society. Stanford, California: Stanford University Press. p. 429. ISBN 0-8047-2630-2.
  • Treadgold, Warren (1997). A History of the Byzantine State and Society. Stanford, California: Stanford University Press. p. 429. ISBN 0-8047-2630-2.