Nunn, T. Percy Education : its data and first principles / by Sir Percy Nunn - [3rd] rev. ed. - London : Edward Arnold, 1945[Reprinted1949] - 283 p. ; 19 cm Includes index. First published, 1920, second ed., revised, 1930, Subjects--Topical Terms: Education Dewey Class. No.: 370.1 / NUE 1949