Gough, J. W. The social contract : a critical study of its development / J. W. Gough. - 2d ed. - Oxford : Clarendon Press, 1957 [reprint 1967]. - viii, 259 p. ; 23 cm. Includes bibliographical references and index. Subjects--Topical Terms: Social contract. Dewey Class. No.: 320.01 / GOS 1967