King Leopold's Soliloquy - Mark Twain - Mark Twain's pamphlet condemning King Leopold of Belgium for his brutal rule of the Congo, published in 1905 by the American Congo Reform Association.
Reforming the Heart of Darkness - Analysis and publications of the Congo Reform Association formed in 1904 to protest King Leopold's rule of the Congo Free State.
Stereoviews of the Congo Free State and Belgian Congo - Antique 3D stereoscopic photographs of the Congo Free State and the Belgian Congo.
The Kodak vs. the King - The Congo Reform Association's use of photographic evidence of atrocities to build its case against King Leopold's rule of the Congo Free State.