Author
Conradus de Megenberg
2
Humboldt, Alexander von
2
Wollaston, William
2
Andresohn, Erasmus
1
Aristoteles
1
B. A.
1
Bate, Charles Spence
1
Bekker, Immanuel
1
Browne, Patrick
1
Crome, Georg Ernst Wilhelm
1
Frese, Julius
1
Füssli, Johann Melchior
1
Garrigue
1
Gray, J. E.
1
Gray, John Edward
1
Gros, Carl Heinrich von
1
Kinberg, Johan Gustaf Hjalmar
1
Krause, Carus
1
Ledru, André Pierre
1
Lewes, George Henry
1
Linné, Carl von
1
Merriam, Clinton Hart
1
Mevius, David
1
Meyer, Adolf Bernhard
1
Nelson, Edward William
1
Pfeffel, Johann Andreas
1
Pfeiffer, Franz
1
Preißler, Johann Daniel
1
Rachel, Samuel
1
Ratzel, Friedrich
1
S. F. W.
1
Schelling, Friedrich Wilhelm Joseph von
1
Schulz, Hugo
1
Selden, John
1
Serlin, Johann Nicolaus
1
Stewart, John
1
Thaer, Albrecht Daniel
1
Treviranus, Gottfried Reinhold
1
Wallace, Alfred Russel
1
Zola, Émile
1