Columbia subject headings:
Harvard subject headings:
Belgium. Armée--Colonial forces--History--20th century--Congresses.
Congo (Democratic Republic)--History, Military--20th century--Congresses.
World War, 1914-1918--Congo (Democratic Republic)--Congresses.
Princeton subject headings:
Belgium. Armée--Colonial forces--History--20th century--Congresses.
Congo (Democratic Republic)--History, Military--20th century--Congresses.
World War, 1914-1918--Participation, Congolese--Congresses.