The scar of race / Paul M. Sniderman and Thomas Piazza. Sniderman, Paul M. Piazza, Thomas Leonard. Race relations. Racism. 305.8 20 SNS Includes bibliographical references (p. 203-207) and index. Cambridge, Mass. : Belknap Press of Harvard University Press, 1993. 1993. 1993 Text xi, 212 p. : eng