ebrary, Inc, & Walker, J. E. K. (1999). Encyclopedia of African American business history. Greenwood Press.

ebrary, Inc, and Juliet E. K. Walker. Encyclopedia of African American Business History. Westport, Conn.: Greenwood Press, 1999.

ebrary, Inc, and Juliet E. K. Walker. Encyclopedia of African American Business History. Greenwood Press, 1999.