Petroni, Frank A. Two, four, six, eight, when you gonna integrate? Frank A. Petroni and Ernest A. Hirsch, with C. Lillian Petroni. - New York Behavioral Publications [1971, c1970] - 258 p. - Social problems series . ISBN: 0877050147 LCCN: 77130912 Subjects--Topical Terms: Segregation in education--United States. LC Class. No.: LA210 / .P45 Dewey Class. No.: 370.19/342