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  1. The ducks, geese and swans of North America, a vade mecum for the naturalist and the sportsman,
    By: Kortright, Francis H. - Shortt, T. M., - American Wildlife Institute.
    Publication info: Washington, D.C.,American Wildlife Institute,1943.
    Contributed by: Internet Archive (archive.org)
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  2. The ducks, geese, and swans of North America; a vade mecum for the naturalist and the sportsman, by Francis H. Kortright. Illus. by T. M. Shortt.
    By: Kortright, Francis H. - Wildlife Management Institute.
    Publication info: Harrisburg, Pa. :Stackpole Co.;[1960, c1953]
    Contributed by: Prelinger Library (archive.org)
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