Spencer-Stirling biplane (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Spencer-Stirling biplane" in English language version.

refsWebsite

Global rank English rank

2flightglobal.com

223^rd place

162^nd place

6^th place

6^th place

archive.org

Goodall, Michael H.; Tagg, Albert E. (2001). British aircraft before the great war. Atglen: Schiffer Pub. p. 306. ISBN 9780764312076.

flightglobal.com

"Mr. Spencer in Dorset". Flight. 17 August 1912. p. 760. Retrieved 27 February 2017.
"Aviator's Certificates". Flight. 2 September 1911. p. 754. Retrieved 27 February 2017.