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  1. The house sparrow at home and abroad, with some concluding remarks upon its usefulness, and copious references to the literature of the subject. By Thomas G. Gentry.
    By: Gentry, Thomas G.
    Publication info: Philadelphia,Claxton, Remsen, and Haffelfinger,1878.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  2. Intelligence in plants and animals:
    By: Gentry, Thomas G.
    Publication info: New York,Doubleday, Page & co.,1900
    Contributed by: University of California Libraries (archive.org)
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  3. Intelligence in plants and animals: being a new edition of the author's privately issued "Soul and immortality."
    By: Gentry, Thomas G.
    Publication info: New York,Doubleday, Page & Co.,1900.
    Contributed by: Cornell University Library
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  4. Life and immortality; or, Souls in plants and animals. By George G. Gentry.
    By: Gentry, Thomas G.
    Publication info: Philadelphia,Burk & McFetridge Co.,c1897.
    Contributed by: University of California Libraries (archive.org)
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  5. Life-histories of the birds of eastern Pennsylvania,
    By: Gentry, Thomas G.
    Publication info: Philadelphia,Published by the author,1876-77.
    Contributed by: Cornell University Library
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  6. Life-histories of the birds of eastern Pennsylvania, by Thomas G. Gentry ...
    By: Gentry, Thomas G.
    Publication info: Philadelphia :Pub. by the author,1876-77.
    Contributed by: University of California Libraries (archive.org)
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  7. Life-histories of the birds of eastern Pennsylvania, by Thomas G. Gentry ...
    By: Gentry, Thomas G.
    Publication info: Philadelphia,Pub. by the author,1876-77.
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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  8. Nests and eggs of birds of the United States ...
    By: Gentry, Thomas G.
    Publication info: Philadelphia,J.A. Wagenseller,1882.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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