Columbia subject headings:
Belgium--Colonies--Congo (Democratic Republic)
Congo (Democratic Republic)--Colonization.
Congo (Democratic Republic)--History.
Germany--Colonies--Congo (Democratic Republic)
Kasaï-Occidental (Congo)--Colonization.
Kasaï-Occidental (Congo)--Discovery and exploration.
Kasaï-Occidental (Congo)--History.
Kasaï-Oriental (Congo)--Colonization.
Kasaï-Oriental (Congo)--Discovery and exploration.
Kasaï-Oriental (Congo)--History.
Harvard subject headings:
Belgium--Colonies--Africa.
Germany--Colonies--Africa
Kasaï-Occidental (Congo)--Colonization.
Kasaï-Occidental (Congo)--Discovery and exploration.
Kasaï-Occidental (Congo)--History.
Kasaï-Oriental (Congo)--Colonization.
Kasaï-Oriental (Congo)--Discovery and exploration.
Kasaï-Oriental (Congo)--History.
Princeton subject headings:
Belgium--Colonies--Congo (Democratic Republic).
Germany--Colonies--Congo (Democratic Republic).
Kasaï-Occidental (Congo)--Colonization.
Kasaï-Occidental (Congo)--Discovery and exploration.
Kasaï-Occidental (Congo)--History.
Kasaï-Oriental (Congo)--Colonization.
Kasaï-Oriental (Congo)--Discovery and exploration.
Kasaï-Oriental (Congo)--History.