Dairy improvement associations in Massachusetts Story, George F. creator text book Amherst, Mass.] 1913 1913
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ENG Connecticut Valley dairy improvement association. Dairying Extension Service Massachusetts Agricultural College Norfolk-Middlesex dairy improvement association. [ Societies, etc SF239 .S93 https://www.biodiversitylibrary.org/bibliography/36109 18019831 10.5962/bhl.title.36109 DLC