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  1. Areas of desolation in Pennsylvania
    By: Rothrock, Joseph T.,
    Publication info: Philadelphia :Herbert Welsh,1915.
    Holding Institution: Penn State University (archive.org)
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  2. Areas of desolation in Pennsylvania,
    By: Rothrock, Joseph T.,
    Publication info: Philadelphia,H. Welsh,1915.
    Holding Institution: Library of Congress
    BHL Collections: Library of Congress
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  3. Asa Gray correspondence. Senders Ro-Ry,
    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,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: Harvard University Herbarium, Botany Libraries
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  4. Catalogue of plants collected in Nevada, Utah, Colorado, New Mexico, and Arizona, with descriptions of those not contained in Gray's Manual of the Northern U.S., and vol. V, Geological Exploration of the Fortieth Parallel,
    By: Rothrock, Joseph T.,
    Publication info: Washington,1878
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
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  5. Catalogue of plants collected in the years 1871, 1872 and 1873 :with descriptions of new species.
    By: Rothrock, Joseph T., - Watson, Sereno, - 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
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  6. Catalogue of trees and shrubs native of and introduced in the horticultural gardens adjacent to Horticultural Hall in Fairmount Park, Philadelphia.
    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
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  7. Correspondence : Rothrock and Engelmann, 1874-1883.
    By: Rothrock, Joseph T., - Engelmann, George,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  8. Plant list : Colorado.
    By: Rothrock, Joseph T.,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project | Harvard University Herbarium, Botany Libraries
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  9. Preliminary report of the Commissioner of Forestry for 1896 also miscellaneous papers on forestry contained in annual report, Department of Agriculture, for 1896 /
    By: Pennsylvania. Dept. 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)
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  10. Reports upon the botanical collections made in portions of Nevada, Utah, California, Colorado, New Mexico and Arizona :during the years 1871, 1872, 1873, 1874, and 1875 /
    By: Rothrock, Joseph T., - Bebb, M. S. - Boott, William, - Eaton, Daniel Cady, - Engelmann, George, - James, Thomas Potts, - Porter, Thomas Conrad, - Tuckerman, Edward, - Vasey, George, - Watson, Sereno,
    Publication info: Washington,Govt. Print. Off.,1878
    Holding Institution: Multiple institutions
    BHL Collections: Engelmann Herbarium
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