Combat helmet (English Wikipedia)

Robin Law (1976). "Horses, Firearms, and Political Power in Pre-Colonial West Africa, Past and Present". Past and Present. 72 (1): 112–132. doi:10.1093/past/72.1.112.

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"German-Helmets.com". Archived from the original on 13 February 2009. Retrieved 13 November 2007.

"German Pickelhaube Spiked Helmet Evolution Guide". www.kaisersbunker.com. Archived from the original on 13 February 2006. Retrieved 13 November 2007.

"Short History of Armour and Weapons". Archived from the original on 19 December 2007. Retrieved 13 November 2007.

"combat helmet upgrade,tbi,brain injury,military,charity". Operation Helmet. Archived from the original on 10 December 2021. Retrieved 14 December 2007.

Regg Zoroya (17 April 2011). "Larger helmet could guard against brain injury to troops". USA Today. Retrieved 17 April 2011.

"Shaft Graves, Mycenae". Archived from the original on 3 July 2010. Retrieved 3 July 2010.
"Short History of Armour and Weapons". Archived from the original on 19 December 2007. Retrieved 13 November 2007.
Heaumes Page Archived 30 November 2006 at the Wayback Machine
"The first modern steel combat helmet: the French 'Adrian' - Military Trader". 2 February 2009. Archived from the original on 26 July 2011. Retrieved 17 January 2011.
"German-Helmets.com". Archived from the original on 13 February 2009. Retrieved 13 November 2007.
"German Pickelhaube Spiked Helmet Evolution Guide". www.kaisersbunker.com. Archived from the original on 13 February 2006. Retrieved 13 November 2007.
"combat helmet upgrade,tbi,brain injury,military,charity". Operation Helmet. Archived from the original on 10 December 2021. Retrieved 14 December 2007.