Dean, John P. 1914- A manual of intergroup relations / by John P. Dean and Alex Rosen. Foreword by Charles S. Johnson. - Chicago : University of Chicago Press, c1955. - xxv, 193 p. ; 23 cm. Subjects--Topical Terms: Social groups.Minorities.Race relations.Psicologia Social Dewey Class. No.: 361.4 / DEM 1955