Columbia subject headings:
Communism and intellectuals--United States.
Communism and social sciences--United States.
Marx, Karl, 1818-1883.
Social sciences--Research--United States.
Universities and colleges--United States.
Harvard subject headings:
Communism and intellectuals--United States.
Communism and social sciences--United States.
Marx, Karl, 1818-1883
Social sciences--Research--United States
Universities and colleges--United States.
Princeton subject headings:
Communism and intellectuals--United States.
Communism and social sciences--United States.
Marx, Karl, 1818-1883.
Social sciences--Research--United States.
Universities and colleges--United States.