Plato : the written and unwritten doctrines / [by] J. N. Findlay. Findlay, J. N. (John Niemeyer), 1903- Plato. B395 .F49 1974b 184 FIP Includes index. London : Routledge & K. Paul ; New York : Humanities Press, 1974. 1974. 1974 Text xiv, 484 pages ; eng International library of philosophy and scientific method.