Columbia subject headings:
Harvard subject headings:
Marx, Karl, 1818-1883--Contributions in political science.
Marx, Karl, 1818-1883--Political and social views.
Marxian school of sociology.
Princeton subject headings:
Marx, Karl, 1818-1883--Contributions in political science.
Marx, Karl, 1818-1883--Political and social views.
Marxian school of sociology.