Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Marx, Karl, 1818-1883.
Montesquieu, Charles de Secondat, baron de, 1689-1755.
Political science.
Rousseau, Jean-Jacques, 1712-1778. Du contrat social.
Harvard subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831
Marx, Karl, 1818-1883
Montesquieu, Charles de Secondat, baron de, 1689-1755--Contributions in political science.
Princeton subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Marx, Karl, 1818-1883.
Montesquieu, Charles de Secondat, baron de, 1689-1755--Political science.
Rousseau, Jean-Jacques, 1712-1778. Du contrat social.