Columbia subject headings:
Russia (Federation)--History.
Russia--History--20th century.
Soviet Union--History.
War--Psychological aspects.
Harvard subject headings:
Psychology, Military.
Russia (Federation)--History--20th century.
Russia (Federation)--History.
Soviet Union--History.
War--Psychological aspects
Princeton subject headings:
Russia (Federation)--History.
Russia--History--20th century.
Soviet Union--History.
War--Psychological aspects.