Hacker, Andrew. The end of the American era. - [1st ed.] - New York Atheneum 1970. - 239 p. 22 cm. 920316 LCCN: 71108823 Subjects--Geographic Terms: United States--Civilization--1970-United States--Social conditions--1960- LC Class. No.: E169.12 / .H3 1970 Dewey Class. No.: 301.29/73