US WW1 M1917 Brodie Helmet Doughboy Helmet 82nd Airborne Hand Aged - Walmart.com
The Australian Imperial Force (AIF) headwear 1914-1918 | Australian War Memorial
How the Military Helmet Evolved From a Hazard to a Bullet Shield | At the Smithsonian| Smithsonian Magazine
R25A-23 WW1 Imperial Russian Army Officers Visor Hat Green Wool Size 7 1/8 | eBay
British WWI Officer Service Dress Peaked Cap- Size US 7 1/4 (58cm)
French Adrian Helmet | National Museum of African American History and Culture
U.S. officer's campaign hat, World War I] - The Portal to Texas History
WWI U.S. Army Protective Helmet Used by American Rocket Society | National Air and Space Museum
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
Ford Motor Company | American Helmet Model No. 8 | American, Philadelphia | The Metropolitan Museum of Art
Uniforms and Personal Gear - Cap | Canada and the First World War
Amazon.com: British WWI Officer Service Dress Peaked Cap- Size US 7 (56cm): Clothing, Shoes & Jewelry
Pickelhaube - Wikipedia
German Prussian M1907 FIELD GREY CAP Kratzchen - All Sizes - WW1 Repro Army Hat | eBay
The Evolution of the Hard Hat - The New York Times
WWI U.S. Army Officer's Visor Hat or Cap | eBay
Bashford Dean and Helmet Design During World War I | The Metropolitan Museum of Art
WORLD WAR I TREASURES IN THE STOREROOM
World War I | American Institute of Physics
Brodie Helmet / Helmet, steel, Mark I (World War I) - YouTube
British WW1 Wool Trench Caps - Etsy
Eleven Artifacts of Heroism from America's Wars | At the Smithsonian| Smithsonian Magazine
Bashford Dean and the Development of Helmets and Body Armor during World War I | Essay | The Metropolitan Museum of Art | Heilbrunn Timeline of Art History
The M1 Helmet: The Soldier's helmet | Article | The United States Army