Politzer, Robert Louis, 1921- Teaching German; a linguistic orientation [by] Robert L. Politzer . - Waltham, Mass., Blaisdell Pub. Co. 1968. - viii, 178 p. ; 24 cm. - A Blaisdell book in the modern languages . Bibliography: p. 167-178. Subjects--Topical Terms: German language--Study and teaching. Dewey Class. No.: 430.7