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  1. By: Rothrock, Joseph T.,
    Publication info: Philadelphia,H. Welsh,1915.
    Holding Institution: Library of Congress
  2. By: Rothrock, Joseph T.,
    Publication info: Philadelphia :Herbert Welsh,1915.
    Holding Institution: Penn State University (archive.org)
  3. 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
  4. By: Rothrock, Joseph T.,
    Publication info: Washington,1878
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
  5. 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
  6. By: Rothrock, Joseph T.,
    Publication info: Philadelphia :s.n.,1880
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
  7. By: Rothrock, Joseph T., - Engelmann, George,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  8. 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
  9. By: Rothrock, Joseph T.,
    Publication info: 1874.
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  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 (archive.org)
  1. By: Rothrock, Joseph T.,
    Type: List
    In: Gray Herbarium miscellaneous plant lists
    Date: 1875
  2. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1887-12-01
    Publication Info: [1837-1894]
  3. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1869-12-14
    Publication Info: [1837-1894]
  4. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1869-12-28
    Publication Info: [1837-1894]
  5. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-02-24
    Publication Info: [1837-1894]
  6. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1874-02-25
    Publication Info: [1837-1894]
  7. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1891-02-07
    Publication Info: [1837-1894]
  8. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1888-02-08
    Publication Info: [1837-1894]
  9. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1879-01-20
    Publication Info: [1837-1894]
  10. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1876-07-27
    Publication Info: [1837-1894]
  11. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1885-06-22
    Publication Info: [1837-1894]
  12. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1873-06-03
    Publication Info: [1837-1894]
  13. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1874-03-02
    Publication Info: [1837-1894]
  14. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-03-23
    Publication Info: [1837-1894]
  15. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1894-03-03
    Publication Info: [1837-1894]
  16. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-03-05
    Publication Info: [1837-1894]
  17. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1876-05-16
    Publication Info: [1837-1894]
  18. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1861-05-07
    Publication Info: [1837-1894]
  19. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1884-10-07
    Publication Info: [1837-1894]
  20. By: Rothrock, Joseph T.,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1880-09-02
    Publication Info: [1837-1894]