Berghaus, Heinrich Karl Wilhelm, Berghaus, Heinrich Karl Wilhelm ; Baer, Karl Ernst von, Baer, Karl Ernst von ; Erman, Adolf, Erman, Adolf ; Litke, Fedor P., Litke, Fedor P. ; Voss, Leopold, Voss, Leopold ; Reimer, Georg Andreas, Reimer, Georg Andreas ; Keilhau, Balthasar Matthias, Keilhau, Balthasar Matthias ; Hansteen, Christopher, Hansteen, Christopher ; Sabine, Edward, Sabine, Edward ; Brewster, David, Brewster, David ; Jameson, Robert, Jameson, Robert ; Graah, Wilhelm August, Graah, Wilhelm August ; Kruzenstern, Ivan F., Kruzenstern, Ivan F.
Potsdam, 10.5.1838
