Davis, F. James _Who is Black? One Nation's Definition_ (1991)
Drago, Edmund Lee _Initiative and Paternalism_
Gatewood, Willard _Aristocrats of Color, the Black Elite, 1880-1920.
Haizlip, (Haislip) Shirley Taylor _The Sweeter the Juice_
hooks, bell _Black Looks: Race and Representation
Horne, Lena Biography by Horne's daughter
Lewis, Harold _Yet with a Steady Beat_
McBride, James _The Color of Water_
Rigsby, Gregory _Alexander Crummel: Pioneer in the Pan African Thought_
Russell, Kathy, Midge Hall and Ronald Hall, Eds. _The Color Complex: The Politics of Skin Color Among African Americans_(1992)
Sandler, Kathe PBS Documentary "A Question of Color", released in the early 1990s.
Townes, Emilie M. _A Troubling in my Soul or Embracing the Spirit: Womanist Perspectives on Hope, Salvation, and Transportation_
West, Dorothy _The Wedding_
Williamson, Joel _New People_
Young, James O. _Black Writers of the 1930s_
Check w./Amrita Chakrabarti Myers, Ph.D. student at Rutgers, working on this topic or close to it.
There was a movie w/Oprah Winfrey called The Wedding. It was on TV recently. Perhaps the staff at Harpo Productions in Chicago can give you some biblio info.
The Second Signs Reader has articles that may be near the subject.