1.
King Leopold's soliloquy : a defense of his Congo rule /
King Leopold II, his rule in Belgium and the Congo.
The reign of Leopold II., king of the Belgians and founder of the Congo State, 1865-1909 (forming part III. of the "History of Belgium") with twenty portraits
Brave little Holland, and what she taught us
Das liebesleben des königs Leopold II. von Belgien, von einem eingeweihten .
Léopold Ier, roi des Belges, sa vie militaire et politique