Hofstadter, Richard Social darwinism in american thought / Richard Hofstadter - U.S.A. : Beacon Press , 1995c, 1994 - 248p. ; 20 cm. Includes index ISBN: 0807054615 Subjects--Topical Terms: EvoluciónSociología--- Historia LC Class. No.: HM 22.E8 / H6 1955