WW1 automatic weapons by AndreaSilva60 on DeviantArt
Why were there automatic pistols but not rifles in WW1? - Quora
Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)
WWI automatic weapon - table II by AndreaSilva60 on DeviantArt
The Most Advanced Gun in the World (in 1916): The 1916 Meunier Carbine -The Firearm Blog
Semiauto Rifles of WWI and Before -The Firearm Blog
A Short History of the Semi-Automatic Firearm | An Official Journal Of The NRA
Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)
Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)