A Social History of the American Negro
Being a History of the Negro Problem in the United States. Including
A History and Study of the Republic of Liberia by Benjamin Brawley -- Project Gutenberg

The Journal of Negro History, Volume 1, January 1916 -- VARIOUS -- Project Gutenberg

In celebration of Black History Month : colloquium papers / Bibliotheca Alexandrina

Nationalism as Expressed in Negro History, Walter L. Daykin, Social Forces, Vol. 13, No. 2. (Dec., 1934), pp. 257-263. (PDF)

Perspective in the Teaching of Negro History, Joseph A. Bailey, The Journal of Negro History, Vol. 20, No. 1. (Jan., 1935), pp. 19-26. (PDF)

The History of Negro Suffrage in the South, Stephen B. Weeks, Political Science Quarterly, Vol. 9, No. 4. (Dec., 1894), pp. 671-703. (PDF)

History of the Negro Race in America From 1619 to 1880. Vol 1
Negroes as Slaves, as Soldiers, and as Citizens -- George W. William -- Project Guttenberg

The Negro's Place in History by Willis Boughton