Keywords: Les Explorations du Kassai.png en Map of explorations undertaken in Africa until 1876 http //www archive org/stream/loeuvrecivilisat00reni page/n191/mode/2up L'oeuvre civilisatrice au Congo Héroisme patriotisme des belges Renier Gustave Ferdinand Joseph 1913 pd-old Maps of the European exploration of Africa 1887 Maps of the Congo Free State |