Columbia subject headings:
Depressions.
Marx, Karl, 1818-1883.
Marxian economics.
Scarcity.
Harvard subject headings:
Depressions
Marx, Karl, 1818-1883
Marxian economics.
Scarcity.
Princeton subject headings:
Depressions.
Marx, Karl, 1818-1883.
Marxian economics.
Scarcity.