Author
Humboldt, Alexander von (1769-1859)
4
Head, Francis Bond
3
Darwin, Charles 1809-1882
2
Gerstäcker, Friedrich 1816-1872
2
Hauff, Hermann
2
Humboldt, Alexander <<von>> 1769-1859
2
Humboldt, Alexander von, 1769-1859
2
Plüschow, Gunther 1886-1931
2
Sievers, Wilhelm, 1860-1921
2
Zöller, Hugo
2
Ball, John
1
Ball, John (1818-1889)
1
Barrère, Pierre
1
Bastian, Adolf 1826-1905
1
Bouguer, Pierre
1
Brand, Charles
1
Brandt, Bernhard 1881-1938
1
Child, Théodore
1
Combier, Cyprien
1
Eyriès, J. B. B. (1767-1846)
1
Frézier, Amédée François
1
Habel, Simeon
1
Herrera y Tordesillas, Antonio ¬de
1
Humboldt, Alexander von 1769-1859
1
Katz, Richard
1
La Condamine, Charles-Marie ¬de
1
Markham, Clements R.
1
Mathison, Gilbert F.
1
Müller, Wilhelm
1
Orbigny, Alcide d' (1802-1857)
1
Perl, Albert
1
Rohrbach, Paul 1869-1956
1
Rosenthal, Louis
1
Röding, Carl Nicolaus
1
Schoenrich, Otto
1
Shelvocke, George
1
Sievers, Wilhelm 1860-1921
1
Tschudi, Johann Jakob von 25.07.1818-08.10.1889
1
Tschudi, Johann Jakob ¬von
1
Ulloa, Antonio ¬de
1
Vigne, Godfrey Thomas
1
Vollmer,
1
Walpole, Frederick
1
Wappäus, Johann Eduard
1
Weddell, James
1
Zöller, Hugo 1852-1933
1
Zöller, Hugo, 1852-1933
1