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The Illustrated Encyclopedia of Uniforms of World War I: An expert guide to the uniforms of Britain, France, Russia, America, Germany and Austro-Hungary with over 450 colour illustrations: North, Jonathan: 9780754823407: Amazon.com:
Sergeant's Field Uniform, U.S. Army Air Service, WWI > National Museum of the United States Air Force™ > Display
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World War I Hospital - Fort McHenry National Monument and Historic Shrine ( U.S. National Park Service)
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Part 1: Arguing Over War and Over Here - World War I: Echoes of the Great War - Research Guides at Library of Congress
Regulation U.S. Army Air Service Pilot's Flying Outfit, WWI > National Museum of the United States Air Force™ > Display
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