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  1. By: Gray, Asa, - Holm, Theodor (Herman Theodor), - Holmes, Oliver Wendell, - Holton, Isaac F. (Isaac Farwell) - Holzinger, J. M. (John Michael), - Hooper, Edward William, - Horsford, Frederick Hinsdale, - Howell, Joseph, - Howell, Thomas, - Humphreys, A. A. - Hunnewell, Horatio Hollis, - Hunt, Thomas Sterry, - Hunter, C.L.,
    Publication info: [1837-1903]
    Holding Institution: Harvard University Botany Libraries
  2. By: Macoun, James Melville, - Holm, Theodor (Herman Theodor), - Canadian Arctic Expedition (1913-1918)
    Publication info: Ottawa, F.A. Acland, 1921
    Holding Institution: Canadiana.org
  3. By: Holm, Theodor (Herman Theodor), - Canadian Arctic Expedition (1913-1918)
    Publication info: Ottawa, F.A. Acland, 1922
    Holding Institution: Canadiana.org
  4. By: Holm, Theodor (Herman Theodor),
    Publication info: New York, 1891
    Holding Institution: Wellesley College Library
  5. By: Fernald, Merritt Lyndon, - Blake, S. F. (Sidney Fay), - Allen, John A. (John Alpheus), - Bissell, Charles Humphrey, - Bragg, Laura M., - Briggs, Le Baron Russell, - Britton, Nathaniel Lord, - Frothingham, Louis A., - Gaskin, Helen C., - Gilmore, Melvin R. (Melvin Randolph), - Goodale, George L. (George Lincoln), - Gould, John Mead, - Graves, Arthur Harmount, - Greene, Jerome D. (Jerome Davis), - Haliburton, John P., - Holm, Theodor (Herman Theodor), - Houghton, George M., - Jones, Vincent S., - Kennedy, George G. (George Golding), - Knowlton, Clarence Hinckley, - Latham, Harold Strong, - Lewis, Eleanor Ashton, - Linder, David H. (David Hunt), - Lindsay, Eugene, - Livingston, Burton E. (Burton Edward), - Lowell, A. Lawrence (Abbott Lawrence), - Macoun, James Melville, - Mercer, James W., - Moore, George T. (George Thomas), - Noyes, George Rapall, - O'Mara, May A., - Osborn, Henry Leslie, 1857-1940, - Pease, Arthur Stanley, - Piccott, Archibald W., - Porsild, Morten P. (Morten Pedersen), - Pray, James Sturgis, - Rackemann, Francis M. (Francis Minot), - Rand, Benjamin, - Rich, William Penn, - Riddell, John M., - Robertson, I C - Rollins, Reed C. (Reed Clark), - Rose, A. McKinley, - Rose, Albert S., - St. John, Harold, - Tanner, Kenneth J., - Taylor, John Lewis, - Transeau, Edgar Nelson, - Twenhofel, William H. (William Henry), - Watson, Sereno, - Weatherby, Charles Alfred, - Whalen, Elizabeth, - Williams, Emile Francis,
    Publication info: [1890-1951]
    Holding Institution: Harvard University Botany Libraries
  6. By: Holm, Theodor (Herman Theodor),
    Publication info: New Haven, Tuttle, Morehouse & Taylor, 1903
    Holding Institution: Boston Public Library
  7. By: Holm, Theodor (Herman Theodor),
    Publication info: K©ıbenhavn, Lunos, 1913
    Holding Institution: Wellesley College Library
  8. By: Bailey, L. H. (Liberty Hyde), - Bebb, M. S. (Michael Schuck), - Blaschka, Rudolf, - Deane, Walter, - Lloyd, C. G. (Curtis Gates), - Morong, Thomas, - Owen, Maria L. (Maria Louisa), - Rose, J. N. (Joseph Nelson), - Allen, Glover M. (Glover Morrill), - Audubon, Florence, - Audubon, Maria R. (Maria Rebecca), - Bailey, Eliza R., - Barnes, Charles Reid, - Batchelder, Annie V. - Batchelder, Charles Foster, - Benson, Albert Emerson, - Brainerd, Ezra, - Brewster, William, - Carr, Albert Bonus - Carr, Gladys V. - Chase, Agnes, - Cheney, Robert F., - Christensen, Abby W., - Churchill, Joseph Richmond, - Coolidge, Charles Austin, - Curtiss, Allen Hiram, - Cushing, Mary, - Deane, Charles E., - Demetrio, C. H. (Charles Hermann), - Dexter, Lucy W., - Dexter, Mary, - Eames, Edwin Hubert, - Eaton, A. A. (Alvah Augustus), - Eggleston, W. W. (Willard Webster), - Faber, Helen R., - Faber, Richard R., - Farlow, W. G. (William Gilson), - Farwell, Oliver Atkins, - Faxon, Edwin, - Fernald, George B., - Fernald, Merritt Lyndon, - Foord, William M., - Foster, Theodore B., - Ganong, William Francis, - Gattinger, Augustin, - Glatfelter, Noah Miller, - Goodale, George L. (George Lincoln), - Greene, Edward Lee, - Greenman, Anne T., - Greenman, J. M. (Jesse More), - Hay, G. U. (George Upham), - Heading, Alice J., - Herriot, W., - Hervey, E. W. (Eliphalet Williams), - Hill, E. J. (Ellsworth Jerome), - Hitchcock, A. S. (Albert Spear), - Holm, Theodor (Herman Theodor), - Hopkins, Richard J., - Huber, Lucretia M., - Jesup, Henry G. (Henry Griswold), - Kennedy, George G. (George Golding), - Knowlton, Frank Hall, - Lamson-Scribner, F. - Linder, Charles, - Lowell, James Arnold, - Lunell, J. (Joel), - Mathews, F. Schuyler (Ferdinand Schuyler), - Maxon, William R. (William Ralph), - McAtee, W. L. (Waldo Lee) - Meehan, Thomas, - Munter, William H., - Oldys, Henry, - Paton, Lucy Allen, - Pease, Arthur Stanley, - Peebles, Florence - Peebles, Florence, - Penhallow, D. P. (David Pearce), - Pennock, Charles J., - Philbrook, Augustus E., - Porter, Thomas C. (Thomas Conrad), - Pringle, Cyrus G. (Cyrus Guernsey), - Putnam, Bessie Lucina, - Putnam, William T., - Rand, Edward L. (Edward Lothrop), - Rau, Eugene A. (Eugene Abraham), - Rehder, Alfred, - Richardson, Martha Bebb, - Robinson, Benjamin Lincoln, - Rolfe, W. J. - Sandberg, John Herman, - Scudder, Winthrop S., - Sheppard, Susan, - Shute, Fred A., - Spaulding, F. B., - Sprague, A. C., - Steere, Rebecca P., - Stone, Phoebe J., - Stowell, Ruth K., - Suksdorf, Wilhelm, - Tatnall, Edward, - Tatnall, Edward, - Terry, Emily Hitchcock, - Thaxter, Roland, - Thayer, Evelyn - Thayer, John Eliot, - Townsend, Charles Wendell, - Underwood, Lucien Marcus, - Vasey, George, - Ward, Lester F. (Lester Frank), - Ward, Lester F. (Lester Frank), - Ware, Robert Allison, - Weatherby, Charles Alfred, - Wiegand, K. M. (Karl McKay), - Williams, Emile Francis, - Williams, R. S. (Robert Statham), - Williams, R. S. (Robert Statham), - Wood, Casey A. (Casey Albert), - Woodhouse, S. W. (Samuel Washington), - Harvard University. Gray Herbarium.
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: Archives from the Boston Metropolitan Park Flora | William Brewster Papers | Women in Natural History
  1. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 15
    Issue: 2
    Date: 1901-05
    Page Range: 37--41
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  2. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 138--142
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  3. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 31
    Date: 1929
    Page Range: 6--17
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  4. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Annals of botany
    Volume: 20
    Date: 1906-10
    Page Range: 441--448
    Publication Info: London, Academic Press [etc.],
  5. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 17
    Issue: 9
    Date: 1903-12
    Page Range: 149--160
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  6. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 28
    Date: 1926
    Page Range: 133--138
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  7. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Memoirs of the Torrey Botanical Club
    Volume: 2
    Issue: 3
    Date: 1891
    Page Range: 57--108
    Publication Info: Durham, N.C, Published for the Club by the Seeman Printery, 1889-
  8. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 10
    Date: 1896
    Page Range: 103--107
    Publication Info: Washington, Biological Society of Washington,
  9. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 20
    Issue: 3
    Date: 1906-06
    Page Range: 62--62
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  10. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 14
    Date: 1901
    Page Range: 7--22
    Publication Info: Washington, Biological Society of Washington,
  11. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 29
    Date: 1927
    Page Range: 1--6
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  12. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 10
    Date: 1896
    Page Range: 29--43
    Publication Info: Washington, Biological Society of Washington,
  13. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1891-12-14
    Publication Info: [1837-1903]
  14. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1891-12-09
    Publication Info: [1837-1903]
  15. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1890-01-03
    Publication Info: [1837-1903]
  16. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Merritt Lyndon Fernald correspondence
    Date: 1920-06-07
    Publication Info: [1890-1951]
  17. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Merritt Lyndon Fernald correspondence
    Date: 1920-05-26
    Publication Info: [1890-1951]
  18. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1889-11-02
    Publication Info: [1837-1903]
  19. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1889-11-09
    Publication Info: [1837-1903]
  20. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1900-04-17
  21. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1920-04-08
  22. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1899-08-27
  23. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: George Edward Davenport correspondence
    Date: 1900-12-22
  24. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1915-02-23
  25. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: George Edward Davenport correspondence
    Date: 1901-02-25
  26. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1915-06-12
  27. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1896-03-11
  28. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1923-05-21
  29. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1917-05-31
  30. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1896-05-04
  31. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1922-11-20
  32. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1915-10-14
  33. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1901-10-04
  34. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1915-10-09
  35. By: Holm, Theodor (Herman Theodor),
    Type: Correspondence
    In: Walter Deane correspondence
    Date: 1895-09-10
  36. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 32
    Date: 1930
    Page Range: 95--105
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  37. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Torreya
    Volume: 3
    Issue: 12
    Date: 1903
    Page Range: 187--188
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945
  38. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 27
    Date: 1925
    Page Range: 172--172
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  39. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 11
    Issue: 741
    Date: 1899
    Page Range: 455--462
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  40. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 15
    Issue: 910
    Date: 1892
    Page Range: 399--403
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  41. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 13
    Issue: 794
    Date: 1890
    Page Range: 15--35
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  42. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Annals of botany
    Volume: 11
    Date: 1897-09
    Page Range: 369--383
    Publication Info: London, Academic Press [etc.],
  43. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 22
    Issue: 9
    Date: 1909-12
    Page Range: 165--174
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  44. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 22
    Issue: 11
    Date: 1909-02
    Page Range: 235--244
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  45. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 15
    Issue: 8
    Date: 1901-11
    Page Range: 175--183
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  46. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 16
    Issue: 3
    Date: 1902-06
    Page Range: 77--85
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  47. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 20
    Issue: 1
    Date: 1906-04
    Page Range: 18--22
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  48. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 8
    Date: 1906
    Page Range: 100--100
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  49. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Botanical gazette
    Volume: 20
    Issue: 11
    Date: 1895
    Page Range: 496--497
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  50. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 33
    Date: 1931
    Page Range: 81--92
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  51. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Ottawa naturalist
    Volume: 15
    Issue: 4
    Date: 1901-07
    Page Range: 110--111
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  52. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Botanical gazette
    Volume: 20
    Issue: 11
    Date: 1895
    Page Range: 497--499
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  53. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 7
    Date: 1892
    Page Range: 105--132
    Publication Info: Washington, Biological Society of Washington,
  54. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: The Canadian field-naturalist
    Volume: 33
    Issue: 4
    Date: 1919-10
    Page Range: 72--77
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  55. By: Holm, Theodor (Herman Theodor),
    Type: Article
    In: Rhodora
    Volume: 31
    Date: 1929
    Page Range: 120--120
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],