Columbia subject headings:
Congo (Democratic Republic)--History.
Morel, E. D. (Edmund Dene), 1873-1924.
Harvard subject headings:
Congo (Democratic Republic)--History
Morel, E. D. (Edmund Dene), 1873-1924.
Princeton subject headings:
Atrocities--Congo (Democratic Republic)--History.
Belgium--Colonies--Africa.
Congo (Democratic Republic)--History--To 1908.
Léopold II, King of the Belgians, 1835-1909.
Morel, E. D. (Edmund Dene), 1873-1924.