Burckhardt, Johann Ludwig
Krapf, Johannes Ludwig
Campbell, John
Gerstäcker, Friedrich
Brehm, Alfred Edmund
Beyrlin, Jacob
Schweigger, Salomon
Strubberg, Frédéric Armand
Rößler, Balthasar
Barttelot, Walther George
Lewis, Meriwether / Clark, William
Leupold, Jakob