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File:Imperial Russian Army Air Force StfCap 1917.jpg - Wikimedia Commons
File:Imperial Russian Aviation Roundel.svg - Wikimedia Commons
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Imperial Russian Air Service - Wikipedia
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Imperial Russian Air Force 1898–1917
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A.2, S:79, Imperial Russian Air Force. by SPAD
Imperial Russian Air Force 1898 - 1917. In Photographs at the Beginning of the Twentieth Century | Gennady PETROV | First Edition
Russian Air Force - Wikipedia
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Imperial Russian Air Service - Wikipedia
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9 September 1913 (27 August 1913, Old Style) | This Day in Aviation
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