Plato's thought in the making : a study of the development of his metaphysics / by J.E. Raven. Raven, J. E. (John Earle) Plato. 184 20 184 19 Includes bibliographical references (p. 244-245) and index. Cambridge : Cambridge University Press, 1965. 1965. 1965 Text xi, 256 p. ; eng