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  1. By: Harper, Robert Almer,
    Publication info: Washington, D. C, Carnegie Institution of Washington, 1905
    Holding Institution: Multiple institutions
  2. By: Harper, Robert Almer,
    Publication info: Washington, Carnegie Inst, 1905
    Holding Institution: University of Toronto - Robarts Library
  1. By: Barss, H. P. - Clinton, G. P. (George Perkins), - Davis, Bradley M. (Bradley Moore), - Duggar, Benjamin M. (Benjamin Minge), - Gager, C. Stuart (Charles Stuart), - Ganong, William E. - Griggs, Robert F. (Robert Fiske), - Grout, A. J. (Abel Joel), - Harper, Robert Almer, - Shear, C L - Shull, George Harrison, - Stevens, Frank Lincoln,
    Type: Correspondence
    In: Merritt Lyndon Fernald correspondence
    Date: 1919-02
    Publication Info: [1890-1951]
  2. By: Harper, Robert Almer,
    Type: Article
    In: Botanical gazette
    Volume: 30
    Issue: 4
    Date: 1900
    Page Range: 217--251
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  3. By: Harper, Robert Almer,
    Type: Article
    In: Annals of botany
    Volume: 13
    Date: 1899-12
    Page Range: 467--525
    Publication Info: London, Academic Press [etc.],
  4. By: Harper, Robert Almer,
    Type: Article
    In: American journal of botany
    Volume: 1
    Issue: 3
    Date: 1914-03
    Page Range: 127--144
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  5. By: Harper, Robert Almer,
    Type: Article
    In: Memoirs of the Torrey Botanical Club
    Volume: 17
    Issue: 2
    Date: 1918
    Page Range: 210--240
    Publication Info: Durham, N.C, Published for the Club by the Seeman Printery, 1889-
  6. By: Harper, Robert Almer, - Dodge, B O
    Type: Article
    In: Annals of botany
    Volume: 28
    Date: 1914-01
    Page Range: 1--18
    Publication Info: London, Academic Press [etc.],
  7. By: Harper, Robert Almer,
    Type: Article
    In: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
    Volume: 57
    Issue: 220
    Date: 1918
    Page Range: 375--439
    Publication Info: Philadelphia, American Philosophical Society,
  8. By: Harper, Robert Almer, - Dodge, B O - Graves, Arthur Harmount, - Marcy, D Elizabeth
    Type: Article
    In: Torreya
    Volume: 37
    Issue: 3
    Date: 1937
    Page Range: 66--70
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  9. By: Harper, Robert Almer, - Dodge, B O
    Type: Article
    In: Torreya
    Volume: 14
    Issue: 8
    Date: 1914
    Page Range: 133--135
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  10. By: Harper, Robert Almer,
    Type: Article
    In: Annals of botany
    Volume: 14
    Date: 1900-09
    Page Range: 321--400
    Publication Info: London, Academic Press [etc.],
  11. By: Harper, Robert Almer,
    Type: Article
    In: American journal of botany
    Volume: 10
    Issue: 5
    Date: 1923
    Page Range: 229-233
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  12. By: Harper, Robert Almer,
    Type: Article
    In: Transactions
    Volume: 31
    Date: 1912
    Page Range: 65--83
    Publication Info: Columbus, Ohio [etc.],
  13. By: Harper, Robert Almer,
    Type: Article
    In: American journal of botany
    Volume: 6
    Issue: 7
    Date: 1919-07
    Page Range: 273--300
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-