Eichhorn, Donald H. The middle school [by] Donald H. Eichhorn. - New York Center for Applied Research in Education [1966] - x, 116 p. illus. 24 cm. - The Library of education . Bibliography: p. 109-110. LCCN: 66026052 Subjects--Topical Terms: Middle Schools LC Class. No.: LB1623 / .E35 Dewey Class. No.: 373.2/36