Columbia subject headings:
Harvard subject headings:
Firearms designers--Soviet Union.
Firearms--Soviet Union--History--20th century.
Soviet Union. Sovetskai︠a︡ Armii︠a︡--Firearms.
Princeton subject headings:
Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡--Firearms.