Postman, Neil. Teaching as a subversive activity / [by] Neil Postman [and] Charles Weingartner. - New York : Delacorte Press, [1969] - xv, 219 p. ; 22 cm. LCCN: 69011842 Subjects--Topical Terms: Education--United States. LC Class. No.: LA217 / .P6 Dewey Class. No.: 370/.973