Barcelona, España : Salvat Editores, S.A., 1973 .
140 páginas : , Vocabulario: páginas [142-143]. 843457358x (obra completa) | 843457439x

Place hold on Razas humanas y racismo /

By Jordan, Winthrop D..
Chapel Hill, NC, United States: Omohundro Institute; University of North Carolina Press, 1968 .
xx, 651 pages. , Winner of the 1969 National Book Award. | Includes index. 9780807845509 | 0807845507 (pbk: alk. paper)

Place hold on White over black:

By Gould, Stephen Jay..
Barcelona : Crítica, 1997 .
399 páginas : , Incluye índice. 8474238048

Place hold on La falsa medida del hombre /