Columbia subject headings:
Marx, Karl, 1818-1883--Criticism and interpretation.
Marx, Karl, 1818-1883--Political and social views.
Political science--Philosophy.
Harvard subject headings:
Communism and Judaism.
Freud, Sigmund, 1856-1939
Marx, Karl, 1818-1883
Philosophy, Marxist.
Princeton subject headings:
Communism and Judaism.
Freud, Sigmund, 1856-1939.
Marx, Karl, 1818-1883.
Philosophy, Marxist.