by Charles de Secondat, Baron de Montesquieu ; [translated by Thomas Nugent ; rev. by J. V. Prichard] . On the origin of inequality ; On political economy ; The social contract / by Jean Jacques Rousseau ; [translated by G. D. H. Cole]. -- Encyclopædia Britannica, c1952. -- (Great books of the Western World / Robert Maynard Hutchins, editor in chief ; 38).