Prussian Cavalry Officer Helmet > National Museum of the United States Air Force™ > Display
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
German Helmet - Cork City Council
A World War I Vintage Helmet Bests A Modern Brain Bucket : NPR
Combat helmet from World War I used by the 93rd Infantry Division | National Museum of African American History and Culture
Amazon.com : Epic Militaria WW1 US M17 Helmet - American Military Army Steel Cotton Lined Reproduction (Medium (56/57 cm)), Green : Sports & Outdoors
Brodie helmet - Wikipedia
Uniforms and Personal Gear - Tankers Helmet | Canada and the First World War
WWI Helmets Protect Against Shock Waves Just as Well as Modern Designs | Duke Pratt School of Engineering