books.google.com - Explores the concept of "race" The term "race," which originally denoted genealogical or class identity, has in the comparatively brief span of 300 years taken on an entirely new meaning. In the wake of the Enlightenment it came to be applied to social groups. This ideological transformation coupled...http://books.google.com/books/about/The_Concept_of_race_in_Natural_and_Socia.html?id=n_tgE2BANskC&utm_source=gb-gplus-shareThe Concept of "race" in Natural and Social Science