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  1. The birds of eastern Pennsylvania and New Jersey, with introductory chapters on geographical distribution and migration, prepared under the direction of the Delaware Valley Ornithological Club by Witmer Stone.
    By: Stone, Witmer, - Delaware Valley Ornithological Club
    Publication info: Philadelphia,Delaware Valley Ornithological Club,1894.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. Cassinia.
    By: Delaware Valley Ornithological Club
    Publication info: Philadelphia :Delaware Valley Ornithological Club,1901-
    Contributed by: Smithsonian Libraries
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