421 aC (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "421 aC" in Catalan language version.

Last modified: 09:33:45, 24 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank Catalan rank

6^th place

15^th place

11enciclopedia.cat

633^rd place

8^th place

archive.org (Global: 6^th place; Catalan: 15^th place)

Funegan, Jack (et al.). Chronos, kairos, Christos : nativity and chronological studies. Winona Lake [IN]: Eisenbrauns, 1989, p. 115. ISBN 9780931464508.
Romilly, Jacqueline de. A short history of Greek literature. Chicago: University of Chicago Press, 1985, p. 88. ISBN 9780226143118.

enciclopedia.cat (Global: 633^rd place; Catalan: 8^th place)

«Erectèon». Gran Enciclopèdia Catalana. Grup Enciclopèdia Catalana. [Consulta: 14 febrer 2021].