Author
Adolf Friedrich, Duke of Mecklenburg-Schwerin, 1873-1969
3
Stanley, Henry M. (Henry Morton), 1841-1904
3
Baker, Samuel White, Sir, 1821-1893
1
Barnes, James, 1866-1936
1
Bellingham, William
1
Burton, Richard Francis, Sir, 1821-1890
1
Casati, Gaetano, 1838-1902
1
Chaillé-Long, C. (Charles), 1842-1917
1
Chevalier, Auguste, 1873-1956
1
Coupland, Reginald, Sir, 1884-1952
1
Coutinho, Gago, 1869-1959
1
Crawford, Daniel, 1870-1926
1
De Filippi, Filippo, 1814-1867
1
Deutsche Zentral-Afrika-Expedition
1
Deutsche Zentral-Afrika-Expedition (1907-1908)
1
Deutsche Zentral-Afrika-Expedition, 1910-1911
1
Dybowski, Jean, 1856-1928
1
Giraud, Victor, 1858-1898
1
Great Britain. Colonial Office
1
Great Britain. Office of Commonwealth Relations
1
Headley, Joel Tyler, 1813-1897
1
Hessem, Louis de
1
Ingersoll, Lurton Dunham
1
Johnson, Willis Fletcher, 1857-1931
1
Kearton, Cherry, 1871-1940
1
Kumm, Hermann Karl Wilhelm, 1874-1930
1
Lebeuf, Jean Paul
1
Livingstone, David, 1813-1873
1
Loreau, H. (Henriette), b. 1815
1
Maberly-Oppler, G. E.
1
MacQueen, James, 1778-1870
1
Maran, René, 1887-1960
1
Maugham, R. C. F. (Reginald Charles Fulke), 1866-1956
1
Mission scientifique Chari-Lac Tchad
1
Poizat, Alfred, 1863-1936
1
Powell, E. Alexander (Edward Alexander), 1879-1957
1
Savoia, Luigi Amedeo di, duca degli Abruzzi, 1873-1933
1
Schweinfurth, Georg August, 1836-1925
1
Sharpe, Alfred, Sir, 1853-1935
1
Thonner, Franz, 1863-1928
1
Trivier, E., 1842-
1
Troup, John Rose, d. 1919
1
Verner, Samuel Phillips
1
Wauters, A.-J. (Alphonse-Jules), 1845-1916
1
Yarborough, J. Cooke
1