Columbia subject headings:
African Americans--Biography.
African Americans--Social conditions.
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963.
United States--Race relations.
Harvard subject headings:
African Americans--Biography
African Americans--Social conditions
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963
United States--Race relations
Princeton subject headings:
African Americans--Biography.
African Americans--Social conditions.
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963.
United States--Race relations.