Wikipedia: Bloods - Article describes the formation, spread, membership and activities of the street gang. - http://en.wikipedia.org/wiki/Bloods
FBI: Freedom of Information Act: Crips and Bloods - A Bureau file on the two major Los Angeles street gangs, containing news clippings and a copy of the 1992 Citizens' Handbook of California Street Gangs. - http://foia.fbi.gov/foiaindex/cripsbloods.htm
Street Gangs: Bloods - A look at individual Blood units in Los Angeles County. - http://www.streetgangs.com/bloods/
GRIPE: Blood History - An essay on the birth and development of the Bloods street gang. - http://www.gripe4rkids.org/BLhis.html