Columbia subject headings:
Harvard subject headings:
African Americans--Biography--History and criticism
African Americans--History
Logan, Rayford Whittingham, 1897-1982
Slavery--United States--History
United States--Race relations
Princeton subject headings:
African Americans--Biography--History and criticism.
African Americans--History.
Logan, Rayford Whittingham, 1897-1982.
Slavery--United States--History.
United States--Race relations.