Does race exist?
http://www.pbs.org/wgbh/nova/first/race.htmlWho was first in America?
http://www.discovery.com/news/features/ancientimmigrants/ancientimmigrants.htmlhttp://www.pbs.org/wgbh/nova/first/
Measuring intelligence: The Mismeasure of Man, by Stephen Jay Gould
http://www.amazon.com/exec/obidos/ASIN/0393314251/qid=950711251/sr=1-3/103-9891765-9419826
An opposing viewpoint: The Bell Curve
http://www.amazon.com/exec/obidos/ASIN/0684824299/ref=sim_books/103-9891765-9419826
