Redl, Fritz. Mental hygiene in teaching / Fritz Redl and William W. Wattenber g ; under the editorship of Willard B. Spalding and Ernest R. Hilgard. - New York : Hacourt, Brace and Co., c1951. - xiii, 454 p. ; 22 cm. Includes index. Subjects--Topical Terms: Teaching. Dewey Class. No.: 371.102 RED