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  1. By: Gray, Asa, - Kolderup-Rosenvinge, J. L. A. (Janus Lauritz Andreas), - Robb, James, - Robbins, James Watson, - Robeson, Andrew, - Robinson, Benjamin Lincoln, - Robinson, John, - Robinson, W. (William), - Rodgers, John, - Rogers, William Barton, - Rolleston, George, - Rolleston, Grace, - Romanes, George John, - Rood, Ogden N. (Ogden Nicholas), - Röper, Johannes August Christian, - Rose, J. N. (Joseph Nelson), - Rothery, H. C. (Henry Cadogan), - Rothrock, Joseph T., - Roumeguère, Casimir, - Royle, J. Forbes (John Forbes), - Rugel, Ferdinand Ignatius Xavier, - Ruprecht, F. - Rusby, Henry Hurd, - Russell, John Lewis, - Rust, Mary Olivia, - Rydberg, Per Axel,
    Publication info: [1837-1894]
    Holding Institution: Harvard University Botany Libraries
  2. By: Watson, Sereno, - Rothrock, Joseph T., - United States. Geographical and Geological Explorations and Surveys West of the 100th Meridian.
    Publication info: Washington [D.C.], G.P.O, 1874
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Herbarium
  3. By: Rothrock, Joseph T., - Engelmann, George,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  4. By: Rothrock, Joseph T.,
    Publication info: 1874
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  5. By: Rothrock, Joseph T., - Lemmon, J. G. (John Gill), - Palmer, Edward, - Parry, C. C. (Charles Christopher), - Matthews, Washington, - Jones, Marcus E. (Marcus Eugene), - Macoun, John, - Cusick, William C. (William Conklin), - Howell, Joseph, - Howell, Thomas,
    Holding Institution: Harvard University Botany Libraries
  6. By: Rothrock, Joseph T.,
    Publication info: Washington, 1878
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  7. By: Rothrock, Joseph T., - Bebb, M. S. (Michael Schuck), - Boott, William, - Eaton, Daniel Cady, - Engelmann, George, - James, Thomas Potts, - Porter, Thomas C. (Thomas Conrad), - Tuckerman, Edward, - Vasey, George, - Watson, Sereno,
    Publication info: Washington, Govt. Print. Off, 1878
    Holding Institution: Multiple institutions
    BHL Collections: Engelmann Herbarium
  8. By: Rothrock, Joseph T.,
    Publication info: Philadelphia, s.n, 1880
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  9. By: Pennsylvania. Department of Agriculture. - Pennsylvania. Department of Agriculture. Division of Forestry. - Rothrock, Joseph T.,
    Publication info: [Harrisburg?], C. M. Busch, state printer, 1897
    Holding Institution: Library of Congress
  10. By: Pennsylvania. Department of Agriculture. Division of Forestry. - Rothrock, Joseph T.,
    Publication info: Harrisburg, Pa, Commonwealth of Pennsylvania, Dept. of Agriculture, Division of Forestry, 1897
    Holding Institution: Penn State University
  11. By: Rothrock, Joseph T.,
    Publication info: Philadelphia, H. Welsh, 1915
    Holding Institution: Library of Congress
  12. By: Rothrock, Joseph T.,
    Publication info: Philadelphia, Herbert Welsh, 1915
    Holding Institution: Penn State University
  1. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1861-05-07
    Publication Info: [1837-1894]
  2. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1869-12-14
    Publication Info: [1837-1894]
  3. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1869-12-28
    Publication Info: [1837-1894]
  4. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1873-06-03
    Publication Info: [1837-1894]
  5. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1874-02-25
    Publication Info: [1837-1894]
  6. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1874-03-02
    Publication Info: [1837-1894]
  7. By: Rothrock, Joseph T.,
    Type: List
    In: Gray Herbarium miscellaneous plant lists
    Date: 1875
  8. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1876-05-16
    Publication Info: [1837-1894]
  9. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1876-07-27
    Publication Info: [1837-1894]
  10. By: Rothrock, Joseph T.,
    Type: Article
    In: Botanical bulletin
    Volume: 2
    Issue: 3
    Date: 1877
    Page Range: 70--70
    Publication Info: Hanover, Ind, [publisher not identified], 1875-1876
  11. By: Rothrock, Joseph T.,
    Type: Article
    In: Botanical bulletin
    Volume: 4
    Issue: 12
    Date: 1879
    Page Range: 242--247
    Publication Info: Hanover, Ind, [publisher not identified], 1875-1876
  12. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1879-01-20
    Publication Info: [1837-1894]
  13. By: Rothrock, Joseph T.,
    Type: Article
    In: Botanical gazette
    Volume: 5
    Issue: 3
    Date: 1880
    Page Range: 27--30
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  14. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1880-09-02
    Publication Info: [1837-1894]
  15. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 20
    Issue: 111
    Date: 1882
    Page Range: 293--297
    Publication Info: Philadelphia, American Philosophical Society,
  16. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 20
    Issue: 113
    Date: 1883
    Page Range: 599--604
    Publication Info: Philadelphia, American Philosophical Society,
  17. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 7
    Issue: 397
    Date: 1884
    Page Range: 1--9
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  18. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1884-10-07
    Publication Info: [1837-1894]
  19. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1885-06-22
    Publication Info: [1837-1894]
  20. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 23
    Issue: 124
    Date: 1886
    Page Range: 572--605
    Publication Info: Philadelphia, American Philosophical Society,
  21. By: Rothrock, Joseph T.,
    Type: Article
    In: Botanical gazette
    Volume: 11
    Issue: 12
    Date: 1886
    Page Range: 338--338
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  22. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1887-12-01
    Publication Info: [1837-1894]
  23. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1888-02-08
    Publication Info: [1837-1894]
  24. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 26
    Issue: 129
    Date: 1889
    Page Range: 359--365
    Publication Info: Philadelphia, American Philosophical Society,
  25. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 41
    Date: 1889
    Page Range: 134--135
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  26. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1890-02-24
    Publication Info: [1837-1894]
  27. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1890-03-05
    Publication Info: [1837-1894]
  28. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1890-03-23
    Publication Info: [1837-1894]
  29. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 29
    Issue: 136
    Date: 1891
    Page Range: 145--148
    Publication Info: Philadelphia, American Philosophical Society,
  30. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1891-02-07
    Publication Info: [1837-1894]
  31. By: Rothrock, Joseph T.,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 33
    Issue: 144
    Date: 1894
    Page Range: 114--133
    Publication Info: Philadelphia, American Philosophical Society,
  32. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1894-03-03
    Publication Info: [1837-1894]