Stanley, Henry Morton
Koldewey, Carl Christian
Speke, John Hanning
Francois, Curt Karl Bruno von
Werner, Reinhold
Steinen, Karl von den
Schweinfurth, Georg August
Nansen, Fridtjof
Grant, Ulysses Simpson
Brockhaus, Albert
Vambery, Hermann
Carter, Howard / Mace, A. C.
Carter, Howard
Müller, Ferdinand
