Witteman-Lewis XNBL-1 (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Witteman-Lewis XNBL-1" in Spanish language version.

refsWebsite

Global rank Spanish rank

1flightglobal.com

223^rd place

791^st place

1web.archive.org

1^st place

1^st place

flightglobal.com

"Worlds Records In Aviation." Flight, 29 January 1925, p. 54.

web.archive.org

"Factsheets: Witteman-Lewis XNBL-1 Barling Bomber." National Museum of the United States Air Force, 25 June 2009. Retrieved: 17 July 2017.