Waitz / Gerland
Engelmann, Wilhelm
Johnston, Harry Hamilton
Baumann, Oscar
Doughty, Charles Montague
Thomson, Joseph
Bogdanowitsch, Modest Iwanowitsch
Hooker, Joseph Dalton
Rein, Johannes Justus
Heine, Peter Bernhard Wilhelm
Davis, Nathan
Palgrave, William Gifford
Petermann, August Heinrich
Weber, Ernst von
Flegel, Eduard Robert