Barker, Ernest, Sir 1874-1960. Greek political theory; Plato and his predecessors. - London, New York, Methuen; Barnes & Noble [1960] - 468 p. 21 cm. - University paperbacks, UP-3 . Subjects--Personal Names: Plato. Subjects--Topical Terms: Political science--History--Greece. LC Class. No.: JC73 / .B23 1960 Dewey Class. No.: 320.938