Hale & Kilburn Company | American Helmet Model No. 5 | American, Philadelphia | The Metropolitan Museum of Art
French Adrian Helmet | National Museum of African American History and Culture
Artifact of the Week: Battle-damaged Helmet | NC DNCR
This WWI helmet may outperform modern ones against shock waves
Steel Helmet, Brodie "War Office" pattern: British Army | Imperial War Museums
Stahlhelm, German helmet - Musée de la Grande Guerre
World War I 55th U.S. Engineers Painted Helmet | Antiques Roadshow | PBS
Belgian steel helmet | NZHistory, New Zealand history online
helmet | British Museum
Were WWI 'Tinpot' Helmets Really Better at Preventing TBI? The Army Says No | Military.com
Brodie Helmet / Helmet, steel, Mark I (World War I) - YouTube
WWI Helmets Protect Against Shock Waves Just as Well as Modern Designs | Duke Pratt School of Engineering
Combat helmet from World War I used by the 93rd Infantry Division | National Museum of African American History and Culture
The Brodie Helmet | National Army Museum, London
German Helmet - Cork City Council
How a WWI war helmet outperformed modern gear in a new study | PBS NewsHour
RCIN 69443 - Helmet and sniper plate
