Image credits:

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2nd Infantry Division Helmet

https://www.ima-usa.com/products/original-u-s-wwi-m1917-refurbished-doughboy-helmet-of-the-2nd-infantry-division?variant=40094238341

 

4th Infantry Division Helmet

https://www.ima-usa.com/products/original-u-s-wwi-m1917-refurbished-aef-doughboy-helmet-of-the-4th-infantry-division-ivy-division?variant=6123004297254

 

5th Infantry Division Helmet

https://www.ima-usa.com/products/original-u-s-wwi-m1917-5th-infantry-division-doughboy-helmet-with-textured-paint-red-diamond?variant=29373898522693

 

26th Infantry Division Helmet

https://www.ima-usa.com/products/original-u-s-wwi-m1917-named-doughboy-helmet-of-the-26th-infantry-yankee-division-103rd-machine-gun-battalion?variant=26170226629

 

28th Infantry Division Helmet

https://www.auctionzip.com/auction-lot/WWI-US-ARMY-AEF-28th-INFANTRY-DIVISION-HELMET_A834B9D90D/

 

42nd Infantry Division Helmet

https://www.ima-usa.com/products/original-u-s-wwi-m1917-doughboy-helmet-of-the-42nd-infantry-division-with-textured-paint?variant=26169234117

 

77th Infantry Division Helmet

https://www.ima-usa.com/products/original-u-s-wwi-m1917-77th-infantry-division-doughboy-helmet-with-liner-chinstrap-statue-of-liberty-division?variant=32017693605957

 

82nd Infantry Division Helmet

https://www.ima-usa.com/products/original-u-s-wwi-m1917-refurbished-doughboy-helmet-of-the-82nd-division-all-american?variant=358365954053

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90th Infantry Division Helmet

https://simpsonltd.com/militaria/u-s-militaria/head-gear/