In the heart of the Arctics /
Senn, Nicholas,1844-1908.
Chicago : W. B. Conkey,
c1907.
The author was a passenger on the supply ship Erik which accompanied the Roosevelt, Commander Peary's vessel, as far as Etah, Greenland, in the summer of 1905.
Peary, Robert E. (Robert Edwin), 1856-1920.