African American Women: 1900-1949
http://womenshistory.about.com/od/aframer190150/African_American_Women_19011950.htm
This site gives good insight into the lives African American women were living around the time covered in Walker's novel.
Alice Walker Letter to President Clinton
http://www.cubasolidarity.net/awalker.html
Walker's 1996 letter to Clinton, which sheds light on her biography and her feelings about U.S. relations with Cuba.
Index of (Slave) Narratives
http://xroads.virginia.edu/~hyper/wpa/index.html
This interesting site documents stories told by ex-slaves at the beginning of the twentieth century.
NAACP History
http://www.naacp.org/about/history/
This part of the NAACP site provides an interesting historical overview of the origins of the National Association for the Advancement of Colored People, which was set up in 1909.