Resener, Hans
Heinersdorff, Carl
Barth, Hermann von
Savoyen, Ludwig Amadeus von
Buchta, Richard
Francois, Curt Karl Bruno von
Farini, Guillermo Antonio
Wormser, Johan Adam
Volz, Berthold August Emil
Jephson, Arthur Jermy Mounteney / Stanley, Henry Morton
Andree, Karl
Stanley, Henry Morton
Schweinfurth, Georg August
Wissmann, Hermann von
Mannheim, Leo
Livingstone, David
Fränkel, Albert
Weule, Karl