W. H. Mullins Co. | American Helmet Model No. 7, Sentinel's Helmet | American, Salem, Ohio | The Metropolitan Museum of Art
5 Real-Life WWI Artifacts As Depicted In Netflix's "All Quiet on the Western Front" | National WWI Museum and Memorial
Stahlhelm, German helmet - Musée de la Grande Guerre
Steel Helmet, Brodie "War Office" pattern: British Army | Imperial War Museums
Mk I steel helmet with second pattern Cruise visor : British Army | Australian War Memorial
World War I 55th U.S. Engineers Painted Helmet | Antiques Roadshow | PBS
Uniforms and Personal Gear - Helmet | Canada and the First World War
Military helmets - an introduction | Australian War Memorial
WW I helmet provides better overhead blast protection than modern version, study shows | CBC Radio
Ford Motor Company | American Helmet Model No. 8 | American, Philadelphia | The Metropolitan Museum of Art
Do WWI helmets protect against shock waves as well as modern designs? | The Western Front Association
Combat helmet from World War I used by the 93rd Infantry Division | National Museum of African American History and Culture
The M1 Helmet: The Soldier's helmet | Article | The United States Army
Adrian helmet - Wikipedia
WWI Helmets Protect Against Shock Waves Just as Well as Modern Designs | Duke Pratt School of Engineering
Prussian Cavalry Officer Helmet > National Museum of the United States Air Force™ > Display
Belgian steel helmet | NZHistory, New Zealand history online
WWI helmets protect against shock waves just | EurekAlert!
The Brodie Helmet | National Army Museum, London
A World War I Vintage Helmet Bests A Modern Brain Bucket : NPR
How a WWI war helmet outperformed modern gear in a new study | PBS NewsHour
