Zimmerman, Carle C.2014-07-022014-07-021930-09Zimmerman, Carle C.1930. Farm trade centers in Minnesota, 1905-29. Saint Paul, MN:University of Minnesota, Agricultural Experiment Station. Bulletin 269.https://hdl.handle.net/11299/163710This 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/en-USNewsletter or Bulletin