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  1. 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: Women in Natural History
  2. By: Conrad, T. A. (Timothy Abbott),
    Publication info: Philadelphia:Printed for the author,1831.
    Holding Institution: Smithsonian Libraries
    BHL Collections: Blog Features
  3. 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,1845-6.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  4. By: Conrad, T. A. (Timothy Abbott), - Lynch, William Francis, - Vokes, H. E. (Harold Ernest)
    Publication info: 1942
    Holding Institution: American Museum of Natural History Library
  5. By: Blake, William P. (William Phipps), - Conrad, T. A. (Timothy Abbott), - Gould, Augustus A. (Augustus Addison), - Agassiz, Louis,
    Publication info: Washington :[s.n.],1855.
    Holding Institution: University of California Libraries (archive.org)
  6. By: Conrad, T. A. (Timothy Abbott),
    Edition: [3rd ed.]
    Publication info: Philadelphia :Sold by J. Dobson,1832-1835 [i.e. between 1842 and 1845]
    Holding Institution: Natural History Museum Library, London
  7. By: Conrad, T. A. (Timothy Abbott),
    Publication info: Philadelphia :J. Dobson,1836-
    Holding Institution: Smithsonian Libraries
  8. By: Conrad, T. A. (Timothy Abbott),
    Publication info: Philadelphia :J. Dobson ...,1836-[1840]
    Holding Institution: University Library, University of Illinois Urbana Champaign
  9. By: Conrad, T. A. (Timothy Abbott), - Say, Thomas, - Conrad, T. A. (Timothy Abbott), - Brown, Mannevillette Elihu Dearing, - Dobson, Judah, - Dorsey, E. G., - Childs & Lehman,
    Publication info: Philadelphia :Judah Dobson, 108 Chesnut Street. E.G. Dorsey, printer,1834.
    Holding Institution: Smithsonian Libraries
  10. By: North Carolina. State Geologist. - Kerr, Washington Caruthers, - Conrad, T. A. (Timothy Abbott), - Cope, E. D. (Edward Drinker), - Genth, F. A. (Frederick Augustus), - Smith, C. D. (Conaro Drayton), - North Carolina. General Assembly. - North Carolina. Governor (1874-1877 : Brogden)
    Publication info: Raleigh [N.C.]: :Josiah Turner, state printer and binder.,1875.
    Holding Institution: Delaware Museum of Natural History Library
  11. By: United States. Dept. of the Interior - Baird, Spencer Fullerton, - Conrad, T. A. (Timothy Abbott), - Emory, William H. - Englemann, George, - Girard, Charles, - Hall, James, - Parry, C. C. (Charles Christopher), - Schott, Arthur, - Torrey, John,
    Publication info: Washington :C. Wendell, printer,1857-59.
    Holding Institution: Multiple institutions
    BHL Collections: Engelmann Herbarium
  12. By: Conrad, T. A. (Timothy Abbott), - Harris, Gilbert D. (Gilbert Dennison),
    Publication info: Washington, D.C. :R. H. Darby, printer,1893.
    Holding Institution: University of California Libraries (archive.org)
  1. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: American journal of conchology.
    Volume: 1
    Date: 1865
    Page Range: 1--35
    Publication info: Philadelphia,G.W. Tryon, jr.,1865-72.
  2. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 17
    Date: 1865
    Page Range: 73--75
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  3. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 24
    Date: 1872
    Page Range: 50--55
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  4. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 27
    Date: 1875
    Page Range: 139--139
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  5. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 24
    Date: 1872
    Page Range: 216--217
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  6. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: American journal of conchology.
    Volume: 5
    Date: 1869
    Page Range: 96--103
    Publication info: Philadelphia,G.W. Tryon, jr.,1865-72.
  7. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 1862
    Date: 1862
    Page Range: 284--291
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  8. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 14
    Date: 1862
    Page Range: 583--586
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  9. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 7
    Date: 1854
    Page Range: 256--264
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  10. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 17
    Date: 1865
    Page Range: 184--184
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  11. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 17
    Date: 1865
    Page Range: 70--73
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  12. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 29
    Date: 1877
    Page Range: 22--23
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia
  13. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Journal of the Academy of Natural Sciences of Philadelphia.
    Volume: 6
    Date: 1830
    Page Range: 205--230
    Publication info: Philadelphia :Academy of Natural Sciences of Philadelphia,1817-1918.
  14. By: Conrad, T. A. (Timothy Abbott),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia.
    Volume: 6
    Date: 1850
    Page Range: 243--269
    Publication info: Philadelphia,Academy of Natural Sciences of Philadelphia