'The Conquest of the Cameroons', First World War, 1914-1916, (c1920). '...map showing approximately how the colony was cleared of the German troops, and the scene of the escape of their main force into Spanish Guinea'. Also shown are: 'A, General [Charles Macpherson] Dobell's main columns, with French columns under Colonel Mayer. B, French southern columns. C, Franco-Belgian columns from French Equatorial Africa and Belgian Congo. D, Franco- British columns under Brigadier-General [Frederick Hugh] Cunliffe. E, Northern column under Lieutenant-Colonel Brisset'. German Cameroon was an African colony of the German Empire from 1884 to 1916. From "The Great World War: A History", Volume V, edited by Frank A Mumby. [The Gresham Publishing Company Ltd, London, c1920]