1.
Fresh tracks in the Belgian Congo, from the Uganda border to the mouth of the Congo, by Hermann Norden. With 57 photographs and two maps.
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3.
Individual names given to talking-gongs in the Yalemba area of Belgian Congo
Rhetorics of disgust and love in the Belgian colonization of the Congo
4.
The truth about the Congo : the Chicago tribune articles / by Frederick Starr.
Notes on an idiophone used in Kabile initiation rites by the Mbae
The Crime of the Congo
Triumphs of the Gospel in the Belgian Congo
Eight flute tunes from Butembo, east Belgian Congo: an analysis in two parts, musical and physical: Part 1
King Leopold's rule in Africa, by Edmund D. Morel.
The Truth About the Congo: The Chicago Tribune Articles