O'Callaghan, Marion. Southern Rhodesia : the effects of a conquest society on education, culture, and information / by Marion O'Callaghan ; with a contribution by Reginald Austin. - Paris : UNESCO, 1977. - 293 p. ; ISBN: 9231013939 Subjects--Topical Terms: Segregation in education Dewey Class. No.: 968.9104 / So