Columbia subject headings:
Harvard subject headings:
Communism
Communism--Soviet Union--Philosophy.
Comparative government
Hitler, Adolf, 1889-1945--Political and social views.
Ideology--History
National socialism--Philosophy.
National socialism.
Political crimes and offenses--Philosophy--History.
Political science--Philosophy--History
Politics and culture--Germany--History--20th century.
Politics and culture--Soviet Union--History.
Stalin, Joseph, 1878-1953--Political and social views.
Totalitarianism
Totalitarianism--Philosophy.
Princeton subject headings:
Communism--Soviet Union--Philosophy.
Hitler, Adolf, 1889-1945--Political and social views.
National socialism--Philosophy.
Politics and culture--Germany--History--20th century.
Politics and culture--Soviet Union--History.
Stalin, Joseph, 1878-1953--Political and social views.
Totalitarianism--Philosophy.