Baer, Karl Ernst von, Baer, Karl Ernst von ; Imperatorskaja Akademija Nauk ; Royal Geographical Society ; Franklin, John, Franklin, John ; Vrangel', Ferdinand P., Vrangel', Ferdinand P. ; Petermann, August, Petermann, August ; Ross, James Clark, Ross, James Clark ; Froriep, Robert, Froriep, Robert ; Adhémar, Joseph, Adhémar, Joseph
Sankt Petersburg, 1865
