Columbia subject headings:
Harvard subject headings:
Belgium--Colonies--History.
Belgium--Relations--Congo (Democratic Republic)
Congo (Democratic Republic)--Colonization.
Congo (Democratic Republic)--History--To 1908
Congo (Democratic Republic)--Relations--Belgium.
Genocide--Congo (Democratic Republic)--Foreign public opinion.
Léopold II, King of the Belgians, 1835-1909.
Massacres--Congo (Democratic Republic)
Princeton subject headings:
Belgium--Colonies--History.
Belgium--Relations--Congo (Democratic Republic).
Congo (Democratic Republic)--Colonization.
Congo (Democratic Republic)--History--To 1908.
Congo (Democratic Republic)--Relations--Belgium.
Genocide--Congo (Democratic Republic)--Foreign public opinion.
Léopold II, King of the Belgians, 1835-1909.