Despite its title, this multivolume reference work is really an encyclopedia. Monumental in scope, it is the largest and most comprehensive reference work on the visual arts that has ever been published. Don't start any research on art without checking this source. It is also available online in Oxford Art Online.
Though their names are exactly the same, these are two different encyclopedias. They contain useful articles about significant people, organizations, publications, and artistic creations of the Harlem Renaissance. They can be very helpful in providing background information on the artists of this period.
Part of a three-volume set devoted to study of the Harlem Renaissance, this first volume contains a large section on "The Visual Arts during the Harlem Renaissance." It provides a good critical overview of the movement, as well as lengthy excerpts from critical writings on many of the major artists of the period.