Books by Jacob Wittmer Hartmann:
Books in the extended shelves:
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Hartmann, Jacob Wittmer, 1881: The gongu-hrolfssaga : a study in old norse philology. (New York, 1912) (page images at HathiTrust)- Hartmann, Jacob Wittmer, 1881-: Russia, Poland and the Ukraine (The Ukrainian National Council, 1915), also by Gustaf Fredrik Steffen (page images at HathiTrust)
- Hartmann, Jacob Wittmer, 1881-: The Ukraine and the Ukrainians (Ukrainian National Council, 1915), also by Stepan Rudnyt︠s︡ʹkyĭ (page images at HathiTrust)
- Hartmann, Jacob Wittmer, 1881-: Von Oktober bis nach Brest-Litovsk; die Geschichte der bolschevistischen November-Revolution (Deutsche Sprachgruppe der Socialist Party of the United States, 1919), also by Leon Trotsky (page images at HathiTrust)
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