Cook, Lloyd Allen. Intergroup education Lloyd and Elaine Cook. - New York McGraw-Hill 1954. - xv, 392 p. - McGraw-Hill series in education . Includes bibliographies. ISBN: 0837133971 (ed. 1970) LCCN: 91100151 Subjects--Topical Terms: Intercultural Education . LC Class. No.: CB199 / .C6 1954 Dewey Class. No.: 370.19/6