Ritter, Paul, 1925- Educreation : education for creation, growth and change / Paul Ritter. - [1st ed.] - Oxford ; New York : Pergamon Press, [1966]. - 380 p. - The Commonwealth and international library . Includes bibliographical references (p. 361-374). Subjects--Topical Terms: Creative thinking. Dewey Class. No.: 153.42 RIT