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  1. Marketing creamery butter /
    By: Potts, Roy C. - Meyer, Herman F.,
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1917.
    Contributed by: Multiple institutions
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  2. Marketing practices of Wisconsin and Minnesota creameries /
    By: Potts, Roy C.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1918.
    Contributed by: Multiple institutions
    View Book