Johns Hopkins University Studies in Historical and Political Science (some numbers important for the present work noted below).

Studies in History, Economics, and Public Law edited by the Faculty of Political Science of Columbia University (some numbers important for the present work noted below).

Atlanta University Studies of Negro Problems (for unusually important numbers note DuBois, editor, below, also Bigham).

Occasional Papers of the American Negro Academy (especially note Cromwell in special list No. 1 below and Grimké in No. 3).

Census Reports of the United States; also Publications of the Bureau of Education.

Annual Reports of the General Education Board, the John F. Slater Fund, the Jeanes Fund; reports and pamphlets issued by American Missionary Association, American Baptist Home Mission Society, Freedmen's Aid Society, etc.; catalogues of representative educational institutions; and a volume "From Servitude to Service" (the Old South lectures on representative educational institutions for the Negro), Boston, 1905.

Pamphlets and reports of National Association for the Advancement of Colored People, the National Urban League, the Southern Sociological Congress, the University Commission on Southern Race Questions, Hampton Conference reports, 1897-1907, and Proceedings of the National Negro Business League, annual since 1900.

The American Nation: A History from Original Sources by Associated Scholars, edited by Albert Bushnell Hart. 27 vols. Harper & Bros., New York, 1907. (Volumes important for the present work specially noted below.)

The Chronicles of America. A Series of Historical Narratives edited by Allen Johnson. 50 vols. Yale University Press, New Haven, 1918—. (Volumes important for the present work specially noted below.)

The South in the Building of the Nation. 12 vols. The Southern Publication Society. Richmond, Va., 1909.