WWI U.S. Army Protective Helmet Used by American Rocket Society | National Air and Space Museum
Object 37: U.S. Marine "Doughboy" Helmet from WWI ::...
50th Aero Squadron M1917 Infantry Helmet > National Museum of the United States Air Force™ > Display
US Army steel helmet | Minnesota Historical Society
Amazon.com : Epic Militaria WW1 US M17 Helmet - American Military Army Steel Cotton Lined Reproduction (Medium (56/57 cm)), Green : Sports & Outdoors
Hale & Kilburn Company | American Helmet Model No. 5 | American, Philadelphia | The Metropolitan Museum of Art
Reproduction WW2 British Army Brodie Helmet with Chinstrap - Tommy/Doughboy Tin Hat
National Museum of the Marine Corps - Artifact Highlight - WWI 2d Division Helmet circa 1918 This M1917 helmet belonged to Marine Arthur E. Lyng. Lyng was a Navy Cross and Distinguished
This WWI helmet may outperform modern ones against shock waves
World War One Doughboy Helmet] - UNT Digital Library
WORLD WAR I HELMETS - 45th Infantry Division Museum
Shocking” Results When WWI Helmets Were Compared to Modern Military Designs