Macy, HaroldCombs, W. B.2017-02-082017-02-081927-05Macy, H.; Combs, W.B. Field studies of the sources of mold in butter. 1927. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 235, page 1-31https://hdl.handle.net/11299/184033This 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