291 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "291" in English language version.

Last modified: 01:19:35, 22 January 2025 (UTC)

Ref.Un. Ref.Website

Global rank English rank

11books.google.com

3^rd place

3^rd place

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

Potter, D. S. (2004). The Roman Empire at bay: AD 180-395. Routledge history of the ancient world. London; New York: Routledge. p. 285. ISBN 978-0-415-10057-1.