Columbia subject headings:
Psychology, Military.
Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡--History.
Harvard subject headings:
Psychology, Military.
Russia. Armii︠a︡--History.
Princeton subject headings:
Morale.
Psychology, Military--History.
Russia--Armed Forces--Psychological aspects--History.