Jencks, Christopher. Rethinking social policy : race, poverty, and the underclass / Christopher Jencks. - Cambridge, Mass. : Harvard University Press, 1992. - vi, 280 p. : ill. ; 25 cm. ISBN: 0674766784 (acidfree paper) : $27.95 LCCN: 91022781 LC Class. No.: HN59.2 .J46 1992 / .J46 1992 Dewey Class. No.: 361.6/1/0973