Principles of social and political theory / by Ernest Barker. Barker, Ernest, Sir, 1874-1960. Political science. JC257 .B33 1980 320.011 BAP Reprint of the 1961 ed. published by Oxford University Press, London. Includes bibliographical references and index. Westport, Conn. : Greenwood Press, 1980, c1951. 1980, c1951. 1980 Text viii, 284 p. ; eng