Columbia subject headings:
Communist ethics.
Marx, Karl, 1818-1883--Ethics.
Marx, Karl, 1818-1883.
Philosophy, Marxist.
Socialist ethics.
Harvard subject headings:
Communist ethics.
Marx, Karl, 1818-1883--Ethics.
Marx, Karl, 1818-1883--Political and social views.
Philosophy, Marxist.
Socialist ethics.
Princeton subject headings:
Communist ethics.
Marx, Karl, 1818-1883--Ethics.
Marx, Karl, 1818-1883--Political and social views.
Philosophy, Marxist.
Socialist ethics.