Du Bois Sites:
The W.E.B. Du Bois Virtual University
http://members.tripod.com/~DuBois/
W.E.B. Du Bois' Papers, University of Massachusetts
http://www.library.umass.edu/spcoll/dubois.html
The FBI's report on Du Bois. (around 900 pages)
http://foia.fbi.gov/dubois.htm
Du Bois: The Man and His Works
http://dolphin.upenn.edu/~souls/dubois.htm
W.E.B Du
Bois and the Black Experience
(taught by Manning Marable)
http://ci.columbia.edu/0401/
W.E.B. Du Bois Institute for Afro-American
Research
http://web-dubois.fas.harvard.edu/
A fairly in-depth bio on Du Bois
http://www.duboislc.org/
http://www.myhero.com/hero.asp?hero=web_dubois