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  1. By: Bergen, Joseph Y. (Joseph Young), - Tracy, S. M. (Samuel Mills),
    Edition: Southern United States ed.
    Publication info: Boston,Ginn & company,1899.
    Holding Institution: Library of Congress
  2. By: Tracy, S. M. (Samuel Mills), - Bergen, Joseph Y. (Joseph Young),
    Publication info: Boston :Ginn,1899.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
  3. By: Tracy, S. M. (Samuel Mills),
    Publication info: Jefferson City :Tribune Print. Co., State Printers and Binders,1886.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
  4. By: Tracy, S. M. (Samuel Mills),
    Publication info: Jefferson City,Tribune Printing Co.,1886.
    Holding Institution: Cornell University Library
  5. By: Tracy, S. M. (Samuel Mills),
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  6. By: Tracy, S. M. (Samuel Mills), - United States. Bureau of Plant Industry.
    Publication info: Washington, D.C. :United States Department of Agriculture, Bureau of Plant Industry, Forage Crop Investigations,1912.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: Tracy, S. M. (Samuel Mills), - United States. Bureau of Plant Industry.
    Publication info: Washington, D.C. :United States Department of Agriculture, Bureau of Plant Industry, Forage-Crop Investigations,[1909?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  8. By: Baker, Carl F. - Earle, F. S. (Franklin Sumner), - Greene, Edward Lee, - Tracy, S. M. (Samuel Mills),
    Publication info: s.l. :s.n.,1901?
    Holding Institution: University Library, University of Illinois Urbana Champaign
  9. By: Nealley, G. C. (George C.) - Pool, J. - Tracy, S. M. (Samuel Mills), - Vasey, George,
    Publication info: Washington :Govt. Print. Off.,1888.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  10. By: United States. Dept. of Agriculture. - Nealley, George C. - Pool, J. - Tracy, S. M. (Samuel Mills), - Vasey, George,
    Publication info: Washington :Govt. Print. Off.,1888.
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Herbarium
  1. By: Tracy, S. M. (Samuel Mills),
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1891-10-15
  2. By: Tracy, S. M. (Samuel Mills), - Earle, F S
    Type: Article
    In: Bulletin of the Torrey Botanical Club.
    Volume: 23
    Issue: 5
    Date: 1896
    Page Range: 205--211
    Publication info: New York :Torrey Botanical Club,1870-1996
  3. By: Tracy, S. M. (Samuel Mills), - Earle, F S
    Type: Article
    In: Bulletin of the Torrey Botanical Club.
    Volume: 22
    Date: 1895
    Page Range: 174--208
    Publication info: New York :Torrey Botanical Club,1870-1996