Yankee Squadron (English Wikipedia)

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

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books.google.com

Taylor, Foster Jay (1971). The United States and the Spanish Civil War. Octagon Books. ISBN 0-374-97849-2. American fighting in Spain dramatically ... Two American flyers, Bert Acosta and Gordon Berry, instituted legal proceedings against the Spanish steamship Mar Cantabrico in an effort to collect $1,200 in back pay due them by the Spanish Government. ... It was stated in an official American quarter that no American planes of any kind were being used in the Spanish Civil War.
Gordon, Yefim (2002). Polikarpov's I-16 Fighter: Its Forerunners and Progeny. ISBN 1-85780-131-8.
Knoblaugh, H. Edward (1937). Correspondent in Spain. Sheed and Ward.
Bridgeman, Brian (1989). The Flyers: The Untold Story of British and Commonwealth Airmen in the Spanish Civil War. ISBN 1-85421-054-8.

"4 Americans in Spain to Fly for Madrid. Acosta and Three Mates Reach Valencia to Take Course in Military Aviation". New York Times. November 21, 1936. Retrieved September 25, 2007. Bert Acosta, one of this country's leading racing pilots, and four other fliers from fields in the Newark district have arrived at Valencia, Spain, where they will go through a hurried course in military flying before taking the air against the Rebels, it was revealed here yesterday. ...
"Fliers Fully Paid, Spain's Agent Says". New York Times. January 17, 1937. Retrieved September 25, 2007.
"Fliers Fully Paid, Spain's Agent Says. Declares Terms Of Contracts Were Met And No Money Is Now Due Them. Denial By Their Lawyer. He Asserts Acosta, Schneider And Berry Got Some Funds On Friday, But Not Enough". New York Times. January 17, 1937. Retrieved September 25, 2007.
"4 Americans in Spain to Fly for Madrid. Acosta and Three Mates Reach Valencia to Take Course in Military Aviation". New York Times. November 21, 1936. Retrieved September 25, 2007.

"Lincoln Brigade archives at the Tamiment Library & Robert F. Wagner Labor Archives". New York University. Retrieved June 14, 2007. Bert Blanchard Acosta; George F. Berry; Frank I. Frederick Lord; Eddie August Schneider; Eddie Semons

"Pilots, Death, Plebiscite". Time. December 21, 1936. Archived from the original on December 15, 2008. Retrieved August 21, 2007.

"Pilots, Death, Plebiscite". Time. December 21, 1936. Archived from the original on December 15, 2008. Retrieved August 21, 2007.