Lockheed-Vega PV-1 Ventura and PV-2 Harpoon |
The Ford Tri-Motor, 1926-1992 |
The First Flight Around The World - April 6 - September 28, 1924: A Pictorial History |
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Air War Against Hitler's Germany |
Bombers of the 20th Century - Vital Guide |
Airlines of the United States since 1914 |
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America's First Air War: The United States Army, Naval and Marine Air Services in the First World War |
Learning to Fly in 21 Days |
British Built Aircraft Volume 5: Northern England, Scotland, Wales, and Northern Ireland |
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