Columbia subject headings:
African Americans--Washington (D.C.)--Exhibitions.
African Americans--Washington (D.C.)--History--19th century.
African Americans--Washington (D.C.)--History--20th century.
African Americans--Washington (D.C.)--History--Sources.
African Americans--Washington (D.C.)--Social life and customs.
Harvard subject headings:
African Americans--Washington (D.C.)--Biography.
African Americans--Washington (D.C.)--Exhibitions.
African Americans--Washington (D.C.)--History--19th century.
African Americans--Washington (D.C.)--History--20th century.
African Americans--Washington (D.C.)--History--Chronology.
African Americans--Washington (D.C.)--History--Sources.
African Americans--Washington (D.C.)--Social life and customs.
Washington (D.C.)--Civilization.
Washington (D.C.)--History--Chronology.
Princeton subject headings:
African Americans--Washington (D.C.)--Biography.
African Americans--Washington (D.C.)--History--Chronology.
African Americans--Washington (D.C.)--Social life and customs.
Washington (D.C.)--Civilization.
Washington (D.C.)--History--Chronology.