The jubilee of Speke's discovery of Victoria Nyanza : maps of Eastern Equatorial Africa showing the progress of exploration / to illustrate a paper by William E. Garstin.Garstin, William, Sir, 1849-19251909"Eastern Equatorial Africa, Garstin. The Geographical Journal, 1909"--in upper right hand corner.Eastern Equatorial Africa according to Ptolemy, A.D. 150 -- Eastern Equatorial Africa immediately before Speke's first journey ... 1856 -- Map showing the results of Burton, Speke, and Grant's explorations ... 1863 -- Eastern Equatorial Africa, 1909.cartographic