Arbetartillgång, arbetstid och arbetslön, inom Sveriges jordbruk år ...

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Item Link Original Source
Full view   1911 University of Minnesota
Full view   1912 University of Minnesota
Full view   1913 University of Illinois at Urbana-Champaign
Full view   1914 University of Illinois at Urbana-Champaign
Full view   1915 University of Illinois at Urbana-Champaign
Full view   1915-18,1920 University of Chicago
Full view   1916 University of Minnesota
Full view   1917 University of Illinois at Urbana-Champaign
Full view   1918 University of Minnesota
Full view   1919 University of Illinois at Urbana-Champaign
Full view   1920-26 University of Minnesota
Full view   1920-1922 University of Illinois at Urbana-Champaign
Full view   1927 University of Minnesota