Gruhn, William Theodore The modern junior high school William T. Gruhn [and] Harl R. Douglass. - 2. ed. - New York Ronald Press Co. 1956. - viii, 421 p. Includes bibliographical references. LCCN: evn00000951 Subjects--Topical Terms: Junior high schools LC Class. No.: LB1623 / .G7 1956 Dewey Class. No.: 373.2/36