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  1. Organization for the manufacture of dairy products,
    By: Potts, Roy Chester, - American institute of agriculture, Chicago.
    Publication info: Chicago,The American institute of agriculture,c1922.
    Contributed by: Library of Congress
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  2. A picture of the dairy industry,
    By: Larson, Carl William, - American institute of agriculture, Chicago.
    Publication info: Chicago,The American institute of agriculture,c1922.
    Contributed by: Library of Congress
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  3. A picture of the grain industry; crop areas--buying areas--future of the industry,
    By: Spillman, W. J. - American institute of agriculture, Chicago.
    Publication info: Chicago,The American institute of agriculture,c1922.
    Contributed by: Library of Congress
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  4. Private exchange and state grain inspection,
    By: Price, Hugh Bruce. - American institute of agriculture, Chicago.
    Publication info: Chicago,The American institute of agriculture,c1922.
    Contributed by: Library of Congress
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