If you are in grad school and looking for a good figure to examine, Bishop Henry McNeal Turner makes for a good study. As you will note from below, Bishop Turner still lacks the attention of some of his contemporaries.
Works on Turner
The Prophetic Oratory of Henry McNeal Turner /
Author: Johnson, Andre E. Publication: 2008
Dissertation: Thesis (Ph.D)--University of Memphis, 2008.
Black Nationalism and Theodicy : a Comparison of the Thought of Henry Highland Garnet, Alexander Crummell, and Henry McNeal Turner /
Author: Holmes, James Arthur. Publication: 1997
Dissertation: Thesis (Th. D.)--Boston University, 1997.
Henry McNeal Turner and black religion in the South, 1865-1900 /
Author: Angell, Stephen Warder. Publication: 1988
Dissertation: Thesis (Ph. D.)--Vanderbilt University, 1988.
The Black Nationalism of Bishop Henry McNeal Turner (1860-1900) /
Author: Foster, Toussaint. Publication: 1976
Dissertation: Thesis (M.A.) Queens College. Department of History.
The Life of Henry McNeal Turner, 1834 to 1870 /
Author: Martin, Elbert T.
Publication: [Tallahassee, Fla.] : Martin, 1975
Dissertation: Thesis (M.A.)--Florida State University.
The Rhetoric of Bishop Henry McNeal Turner, leading advocate in the African emigration movement, 1866-1907 /
Author: Cummings, Melbourne Stenson,
Dissertation: Thesis (Ph. D.)--University of California, Los Angeles, 1972.
Henry McNeal Turner, Exponent of American "Negritude".
Author: Herndon, Jane Walker,
Publication: [Atlanta] 1967
Dissertation: Thesis (M.A.)--Georgia State College.