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  1. Check list of North American Naiades,
    By: Wright, Berlin Hart. - Simpson, Charles Torrey, - Walker, Bryant,
    Publication info: Detroit, Mich.,1902.
    Contributed by: Cornell University Library
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  2. A descriptive catalogue of the Naiades, or pearly fresh-water mussels.
    By: Simpson, Charles Torrey,
    Publication info: Detroit, Mich.,Bryant Walker,1914.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  3. In lower Florida wilds; a naturalist's observations on the life, physical geography, and geology of the more tropical part of the state.
    By: Simpson, Charles Torrey,
    Publication info: New York,G. P. Putnam's Sons[c1920]
    Contributed by: Cornell University Library
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  4. In lower Florida wilds; a naturalist's observations on the life, physical geography, and geology of the more tropical part of the state, by Charles Torrey Simpson. With sixty-four illustrations and two maps.
    By: Simpson, Charles Torrey,
    Publication info: London :G. P. Putnam's sons,1920.
    Contributed by: University of California Libraries (archive.org)
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  5. Ornamental gardening in Florida, by Charles Torrey Simpson; a treatise on the decorative plants adapted to Florida and their cultivation, with suggestions for the ornamentation of Florida homes and grounds.
    By: Simpson, Charles Torrey,
    Publication info: Little River, Fla.,The author,1916.
    Contributed by: University of California Libraries (archive.org)
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  6. Ornamental gardening in Florida, by Charles Torrey Simpson; a treatise on the decorative plants adapted to Florida and their cultivation, with suggestions for the ornamentation of Florida homes and grounds.
    By: Simpson, Charles Torrey,
    Publication info: Little River, Fla.,The author,1916.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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  7. Synopsis of the Naiades : or pearly fresh-water mussels / by Charles Torrey Simpson.
    By: Simpson, Charles Torrey,
    Publication info: Washington :Govt. Print. Off.,1900.
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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  1. Description of four new Triassic Unios from the Staked Plains of Texas
    By: Simpson, Charles Torrey, 1846-1932
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 18
    Issue: 1072
    Date: 1896
    Page Range: 381--385
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  2. Distribution of the land and fresh-water mollusks of the West Indian region, and their evidence with regard to past changes of land and sea
    By: Simpson, Charles Torrey, 1846-1932
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 17
    Issue: 1011
    Date: 1895
    Page Range: 423--450
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  3. The Florida tree snails of the genus Liguus
    By: Simpson, Charles Torrey, 1846-1932
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 73
    Issue: 2741
    Date: 1929
    Page Range: 1--44
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  4. New Floridian subspecies of the genus Liguus
    By: Simpson, Charles Torrey, 1846-1932
    Type: Article
    In: Proceedings of The Biological Society of Washington
    Volume: 33
    Date: 1920
    Page Range: 121--126
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  5. On some fossil Unios and other fresh-water shells from the drift at Toronto, Canada; with a review of the distribution of the Unionidae of northeastern North America
    By: Simpson, Charles Torrey, 1846-1932
    Type: Article
    In: Proceedings of The United States National Museum
    Volume: 16
    Issue: 952
    Date: 1893
    Page Range: 591--595
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