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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.
    Publication info: Philadelphia :H.C. Carey and I. Lea,1822-23.
    Contributed by: United States Geological Survey
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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, - Long, Stephen Harriman, - Say, Thomas,
    Publication info: Philadelphia :H.C. Carey and I. Lea ...,1823.
    Contributed by: 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.
    Publication info: New Harmony, Ind. :Printed at the School Press,1830-[38?]
    Contributed by: Smithsonian Libraries
    BHL Collections: Notable Women in Natural History | Smithsonian Libraries
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  4. American entomology : a description of the insects of North American, with illustrations drawn and colored after nature / by Thomas Say ; edited by John L. LeConte ; with a memoir of the author by George Ord.
    By: Say, Thomas,
    Publication info: Boston :Estes & Lauriat,[1859?]
    Contributed by: Smithsonian Libraries
    BHL Collections: 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 Thomas Say.
    By: Say, Thomas,
    Publication info: Philadelphia :Philadelphia Museum, S.A. Mitchell,1824-28.
    Contributed by: 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 Thomas Say.
    By: Say, Thomas,
    Publication info: [Philadelphia] :S. A. Mitchell, for sale by A. Finley,1824-28
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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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 Thomas Say.
    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.
    Contributed by: Smithsonian Libraries
    BHL Collections: 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 Thomas Say.
    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.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  9. Bibliothèque conchyliologique. 1. sér. t. 1-4.
    By: Chenu, Jean Charles, - Conrad, T. A. - Donovan, E. - Leach, W. E. - Martyn, Thomas, - Montagu, George, - Rafinesque, C. S. - Say, Thomas,
    Publication info: Paris,A. Franck,1845-1846.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  10. The complete writings of Thomas Say on the entomology of North America / edited by John L. Le Conte.
    By: Say, Thomas, - LeConte, John L.
    Publication info: Philadelphia :A. E. Foote,1891.
    Contributed by: NCSU Libraries (archive.org)
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  11. The complete writings of Thomas Say on the entomology of North America. Ed, by John L. Le Conte, M. D. With a memoir of the author, by George Ord.
    By: Say, Thomas, - Le Conte, John Lawrence, - Ord, George,
    Publication info: London,Baillière brothers;1859.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  12. The complete writings of Thomas Say, on the conchology of the United States / edited by W.G. Binney.
    By: Say, Thomas, - Binney, William Greene,
    Publication info: New York :H. Baillière,1858.
    Contributed by: 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 / edited by W.G. Binney.
    By: Say, Thomas, - Binney, W. G.
    Publication info: New York :H. Baillière,1858.
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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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.
    Contributed by: Natural History Museum Library, London
    BHL Collections: Natural History Museum Library, London
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  15. Descriptions of some new terrestrial and fluviatile shells of North America, 1829, 1830, 1831 / by Thomas Say.
    By: Say, Thomas,
    Publication info: New Harmony, Ind. :[s.n.],1840.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  16. A glossary to Say's Entomology
    By: Say, Thomas,
    Publication info: Philadelphia :S.A. Mitchell,1825.
    Contributed by: University of California Libraries (archive.org)
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