Black, John D.Robotka, Frank2017-02-142017-02-141919-08Black, John D.; Robotka, Frank. Farmers' cöoperation in Minnesota, 1913-1917. 1919. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 184, page 62https://hdl.handle.net/11299/184119This archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu/enNewsletter or Bulletin