Columbia subject headings:
Harvard subject headings:
Capitalism--Environmental aspects.
Communism and ecology.
Environmental economics
Marx, Karl, 1818-1883
Marxian economics.
Marxist anthropology.
Princeton subject headings:
Capitalism--Environmental aspects.
Communism and ecology.
Environmental economics.
Marx, Karl, 1818-1883.
Marxian economics.
Marxist anthropology.