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  1. The breeding of fur animals.
    By: Ashbrook, F. G.
    Publication info: Wash.,Govt. print. off.,1937.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  2. Breeds of swine /
    By: Ashbrook, F. G.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1917.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  3. Castration of young pigs /
    By: Ashbrook, F. G.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1916.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  4. Fur resources : the stepchild of conservation /
    By: Ashbrook, F. G. - U.S. Fish and Wildlife Service. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of the Interior, Fish and Wildlife Service,1935.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  5. Mink raising.
    By: Ashbrook, F. G.
    Publication info: Washington,1927.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
    View Book