823 (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "823" in Polish language version.

Last modified: 12:33:00, 17 August 2025 (UTC)

Ref.Un. Ref.Website

Global rank Polish rank

6^th place

24^th place

4^th place

2^nd place

11britannica.com

37^th place

27^th place

archive.org (Global: 6^th place; Polish: 24^th place)

John BagnellJ.B. Bury John BagnellJ.B., A History of the Eastern Roman Empire from the Fall of Irene to the Accession of Basil I (A.D. 802–867), London: Macmillan and Company, 1912, s. 105–106, OCLC 458995052 .

britannica.com (Global: 37^th place; Polish: 27^th place)

Charles II, [w:] Encyclopædia Britannica [dostęp 2022-09-30] (ang.).

worldcat.org (Global: 4^th place; Polish: 2^nd place)

search.worldcat.org

John BagnellJ.B. Bury John BagnellJ.B., A History of the Eastern Roman Empire from the Fall of Irene to the Accession of Basil I (A.D. 802–867), London: Macmillan and Company, 1912, s. 105–106, OCLC 458995052 .