Adam, Paul
Werner, Karl
Billings, Joseph
Pallas, Peter Simon
Verne, Jules
Stephens, John Lloyd
Burckhardt, Johann Ludwig
Krapf, Johannes Ludwig
Rößler, Balthasar
Lewis, Meriwether / Clark, William
Britton, Nathaniel Lord / Rose, Joseph Nelson
Bates, Henry Walter
Haupt, Adolf
Carter, Howard / Mace, A. C.
Carter, Howard
Hergsell, Gustav
Brechtel, Stephan
Möllhausen, Balduin
