Here are a few to start you off:

Hall, Gwendolyn Midlo. 1992. Africans of Colonial Louisiana: The Development of Afro-Creole Culture in the Eighteenth Century. Baton Rouge: Louisiana State University Press.

Virginia R. Dominguez, White by Definition: Social Classification in Creole Louisiana (New Brunswick NJ: Rutgers University, 1986), 252.

Tregle, Joseph G., Jr. 1992. "Creoles and Americans " In Creole New Orleans: Race and Americanization. Ed. Arnold R. Hirsch and Joseph Logsdon. Baton Rouge: Louisiana State University Press.

Gehman, Mary. The free people of color of New Orleans : an introduction / by Mary Gehman ; photos by Lloyd Dennis.
New Orleans, LA (421 Manasses Pl., New Orleans 70119) : Margaret Media, 1994.

Laura Foner, “Free People of Color in Louisiana and St. Domingue: A Comparative Portrait of Two Three-Caste Societies,” Journal of Social History 3, no. 4 (1970): 406-30.

Kimberly S. Hanger, “Origins of New Orleans Free Creoles of Color,” in Creoles of Color of the Gulf South, ed. James H. Dormon (Knoxville: University of Tennessee, 1996), 1-27, 1-27.