Columbia subject headings:
Firearms--Soviet Union--History--20th century.
Military weapons--Soviet Union--History--20th century.
Simonov, S. G. (Sergeĭ Gavrilovich), 1894-
Harvard subject headings:
Firearms--Soviet Union--History--20th century.
Military weapons--Soviet Union--History--20th century.
Simonov, S. G. (Sergeĭ Gavrilovich), 1894-
Princeton subject headings:
Firearms--Soviet Union--History--20th century.
Military weapons--Soviet Union--History--20th century.
Simonov, S. G. (Sergeĭ Gavrilovich), 1894-