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  1. Account of an expedition from Pittsburgh to the Rocky mountains : performed in the years 1819 and '20, by order of the Hon. J.C. Calhoun, sec'y of war ; under the command of Major Stephen H. Long /
    By: James, Edwin, - Long, Stephen Harriman, - Peale, Titian Ramsay, - Say, Thomas, - United States. War Dept.
    Publication info: Philadelphia :H.C. Carey and I. Lea,1822-23.
    Holding Institution: United States Geological Survey Libraries Program
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  2. Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. J.C. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party /
    By: James, Edwin, - Adams, John, Esq. of Waltham Abbey. - Long, Stephen Harriman, - Say, Thomas,
    Publication info: Philadelphia :H.C. Carey and I. Lea ...,1823.
    Holding Institution: John Adams Library at the Boston Public Library (archive.org)
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  3. American conchology; or, Descriptions of the shells of North America.
    By: Say, Thomas, - Conrad, T. A. (Timothy Abbott), - Say, Lucy Way Sistare,
    Publication info: New Harmony, Ind. :Printed at the School Press,1830-[38?]
    Holding Institution: Smithsonian Libraries
    BHL Collections: Notable Women in Natural History
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  4. American entomology : a description of the insects of North American, with illustrations drawn and colored after nature /
    By: Say, Thomas,
    Publication info: Boston :Estes & Lauriat,[1859?]
    Holding Institution: Smithsonian Libraries
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  5. American entomology, or Descriptions of the insects of North America : illustrated by coloured figures from original drawings executed from nature /
    By: Say, Thomas,
    Publication info: Philadelphia :Philadelphia Museum, S.A. Mitchell,1824-28.
    Holding Institution: University of Pittsburgh Library System (archive.org)
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  6. American entomology, or Descriptions of the insects of North America : illustrated by coloured figures from original drawings executed from nature /
    By: Say, Thomas,
    Publication info: [Philadelphia] :S. A. Mitchell, for sale by A. Finley,1824-28
    Holding Institution: MBLWHOI Library
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  7. American entomology, or, Descriptions of the insects of North America : ilustrated by coloured figures from drawings executed from nature /
    By: Say, Thomas, - Bridport, Hugh, - Lesueur, Charles Alexandre, - Longacre, James Barton, - Kneass, Young & Co.,
    Publication info: Philadelphia :Published by Mitchell and Ames, W. Brown, printer, Prune Street,1817.
    Holding Institution: Smithsonian Libraries
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  8. American entomology, or, Descriptions of the insects of North America : illustrated by coloured figures from original drawings executed from nature /
    By: Say, Thomas, - Bridport, Hugh, - Hay, William Perry, - Lang, George S., - Lesueur, Charles Alexandre, - Longacre, James Barton, - Peale, Titian Ramsay, - Tiebout, Cornelius, - Wood, W. W.,
    Publication info: [Philadelphia] :Published by Samuel Augustus Mitchell, for sale by Anthony Finley, corner of Fourth and Chesnut St., William Brown, printer,1824-1828.
    Holding Institution: Smithsonian Libraries
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  9. Bibliothèque conchyliologique. 1. sér. t. 1-4.
    By: Chenu, Jean Charles, - Conrad, T. A. (Timothy Abbott), - Donovan, E. (Edward), - Leach, W. E. - Martyn, Thomas, - Montagu, George, - Rafinesque, C. S. (Constantine Samuel), - Say, Thomas,
    Publication info: Paris,A. Franck,1845-1846.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
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  10. The complete writings of Thomas Say on the entomology of North America /
    By: Say, Thomas, - LeConte, John L. (John Lawrence),
    Publication info: Philadelphia :A. E. Foote,1891.
    Holding Institution: NCSU Libraries (archive.org)
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  11. The complete writings of Thomas Say on the entomology of North America.
    By: Say, Thomas, - Le Conte, John Lawrence, - Ord, George,
    Publication info: London,Baillière brothers;1859.
    Holding Institution: Smithsonian Libraries
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  12. The complete writings of Thomas Say, on the conchology of the United States /
    By: Say, Thomas, - Binney, William Greene,
    Publication info: New York :H. Baillière,1858.
    Holding Institution: University of Pittsburgh Library System (archive.org)
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  13. The complete writings of Thomas Say, on the conchology of the United States /
    By: Say, Thomas, - Baillière, Hippolyte, - Binney, W. G. (William Greene), - Lyon, L, - Say, Lucy Way Sistare, - Tiebout, Cornelius, - Walker, I., - J.-B. Baillière et fils,
    Publication info: New York :H. Baillière,1858.
    Holding Institution: Multiple institutions
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  14. Descriptions of new species of Curculionites of North America, with observations on some of the species already known, &c.
    By: Say, Thomas,
    Publication info: New-Harmony, Ind.,1831.
    Holding Institution: Natural History Museum Library, London
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  15. Descriptions of new species of North American insects, and observations on some of the species already described /
    By: Say, Thomas,
    Publication info: New Harmony, Indiana :[s.n.],1829-1833.
    Holding Institution: Smithsonian Libraries
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  16. Descriptions of some new terrestrial and fluviatile shells of North America, 1829, 1830, 1831 /
    By: Say, Thomas,
    Publication info: New Harmony, Ind. :[s.n.],1840.
    Holding Institution: Smithsonian Libraries
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  17. Descriptions of terrestrial shells of North America /
    By: Say, Thomas, - Binney, W. G.
    Publication info: Philadelphia :Childs & Peterson,1856.
    Holding Institution: Delaware Museum of Natural History Library
    BHL Collections: Expanding Access to Biodiversity Literature
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  18. A glossary to Say's Entomology
    By: Say, Thomas,
    Publication info: Philadelphia :S.A. Mitchell,1825.
    Holding Institution: University of California Libraries (archive.org)
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  19. New fresh water shells of the United States : with coloured illustrations, and a monograph of the genus anculotus of Say; also a synopsis of the American naiades /
    By: Conrad, T. A. (Timothy Abbott), - Brown, Mannevillette Elihu Dearing, - Dobson, Judah, - Dorsey, E. G., - Say, Thomas, - Childs & Lehman,
    Publication info: Philadelphia :Judah Dobson, 108 Chesnut Street. E.G. Dorsey, printer,1834.
    Holding Institution: Smithsonian Libraries
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  20. Reports on the noxious, beneficial and other insects, of the state of New York. Made to the State agricultural society, pursuant to an annual appropriation for this purpose from the legislature of the state.
    By: Fitch, Asa, - Comstock, Anna Botsford, - Say, Thomas, - New York State Agricultural Society.
    Publication info: Albany,C. Van Benthuysen, printer [etc.]1856-67.
    Holding Institution: Cornell University Library
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