Hedin, Sven
Rein, Johannes Justus
Heine, Peter Bernhard Wilhelm
Davis, Nathan
Hahn, Carl von
Johnston, Harry Hamilton
Adam, Paul
Lugart, Fr.
Zuchold, Ernst Amandus
Sepp, Johann Nepomuk
Rohlfs, Gerhard Friedrich
Marquart, Joseph
Palgrave, William Gifford