Bullpup 1945-1970: history of experiments - Modern Firearms
Apart from Germany, Britain, France, Italy and the USA, which countries used trialed or tried to develop a semi-automatic rifle around the time of WW1 ? : r/ForgottenWeapons
Va. gun collector squares off with Poland over rare, World War II rifle - The Washington Post
CETME rifle - Wikipedia
Fusil Automatique Modèle 1917 - Wikipedia
Korobov TKB-022PM experimental assault rifle (USSR) - Modern Firearms
StG 44 - Wikipedia
Semiauto Rifles of WWI and Before -The Firearm Blog
Gewehr 43 - Wikipedia
Early Semi-Automatics: Winchester's First Self-Loading Rifles | An Official Journal Of The NRA
World War 2 Era Automatic Rifles for Battlefield V : Part 1 of 2 : r/BattlefieldV