Hays, Willet M.Parker, Edward C.University of Minnesota. Agricultural Division2017-02-032017-02-031906-10Hays, Willet M.; Parker, Edward C. The cost of producing farm products. 1906. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 97, page 1-90https://hdl.handle.net/11299/183841This 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