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  1. By: Craighead, Frank C. (Frank Cooper), - Beal, J. A. - Britton, Wilton Everett, - Burgess, A. F. - Busck, August, - Chittenden, F. H. (Frank Hurlbut), - Graham, Samuel Alexander, - Herrick, Glenn W. (Glenn Washington), - Hopkins, A. D. (Andrew Delmar), - Howard, L. O. (Leland Ossian), - MacAloney, Harvey John, - Middleton, William, - Peirson, Henry Byron, - Perry, George S. - Sanders, J. G. - Snyder, Thomas Elliott, - St. George, R. A. - Tanaka, T.
    Publication info: Washington, D.C. :s.n.,1909-1930?
    Holding Institution: NCSU Libraries (archive.org)
  2. By: Howard, L. O. (Leland Ossian), - Chittenden, F. H. (Frank Hurlbut), - United States. Bureau of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1908.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Scudder, Samuel H. (Samuel Hubbard), - Davis, William Morris, - Howard, L. O. (Leland Ossian), - Riley, Charles V. (Charles Valentine), - Williston, Samuel W. (Samuel Wendell), - Woodworth, Charles William,
    Publication info: Cambridge :The author,1889.
    Holding Institution: MBLWHOI Library
    BHL Collections: Blog Features
  5. By: Howard, L. O. (Leland Ossian), - Chittenden, F. H. (Frank Hurlbut), - United States. Bureau of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  6. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1888.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1885.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  8. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  9. By: Howard, L. O. (Leland Ossian),
    Edition: Rev.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  10. By: Howard, L. O. (Leland Ossian),
    Publication info: New York,1899
    Holding Institution: Library of Congress
  11. By: Howard, L. O. (Leland Ossian),
    Publication info: New York,The Macmillian Company,1933.
    Holding Institution: MBLWHOI Library
  12. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  13. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  14. By: Howard, L. O. (Leland Ossian), - Chittenden, F. H. (Frank Hurlbut), - United States. Bureau of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  15. By: Riley, Charles V. (Charles Valentine), - Howard, L. O. (Leland Ossian),
    Publication info: Washington,Government Printing Office1889.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  16. By: Howard, L. O. (Leland Ossian), - United States. Bureau of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  17. By: Howard, L. O. (Leland Ossian), - United States. Bureau of Entomology. - United States. Dept. of Agriculture.
    Edition: Revision.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  18. By: Howard, L. O. (Leland Ossian),
    Publication info: New York :A. Stokes,c1911.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  19. By: Howard, L. O. (Leland Ossian),
    Publication info: New York :Stokes,c1911.
    Holding Institution: University of California Libraries (archive.org)
  20. By: Howard, L. O. (Leland Ossian),
    Publication info: New York,Frederick A. Stokes Company[c1911]
    Holding Institution: Smithsonian Libraries
  21. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1900.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  22. By: Howard, L. O. (Leland Ossian), - United States. Bureau of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  23. By: Howard, L. O. (Leland Ossian), - United States. Bureau of Entomology.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  24. By: Howard, L. O. (Leland Ossian), - Fiske, William Fuller.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1911.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  25. By: Howard, L. O. (Leland Ossian), - Fiske, William Fuller.
    Publication info: New York :Arno Press,1977.
    Holding Institution: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature
  26. By: Howard, L. O. (Leland Ossian),
    Publication info: Garden City, N. Y. :Doubleday, Page,1912.
    Holding Institution: Wellesley College Library (archive.org)
  27. By: Howard, L. O. (Leland Ossian),
    Publication info: Garden City :Doubleday,1916.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  28. By: Howard, L. O. (Leland Ossian),
    Publication info: Toronto :W. Briggs,1901.
    Holding Institution: Canadiana.org (archive.org)
  29. By: Howard, L. O. (Leland Ossian),
    Publication info: New York,Doubleday, Page & company,1905.
    Holding Institution: Wellesley College Library (archive.org)
  30. By: Howard, L. O. (Leland Ossian),
    Publication info: New York,Doubleday, Page & Company,1901.
    Holding Institution: Smithsonian Libraries
  31. By: Howard, L. O. (Leland Ossian),
    Publication info: New York,Doubleday, Page,1905.
    Holding Institution: NCSU Libraries (archive.org)
  32. By: Howard, L. O. (Leland Ossian),
    Publication info: Garden City, N. Y.,Doubleday, Doran & company,1937.
    Holding Institution: MBLWHOI Library
  33. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  34. By: Burgess, A. F. (Albert Franklin), - Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
    Holding Institution: University Library, University of Illinois Urbana Champaign
  35. By: Burgess, A. F. - Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  36. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1895.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  37. By: Howard, L. O. (Leland Ossian), - Chittenden, F. H. (Frank Hurlbut), - United States. Bureau of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  38. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :United States. Department of Agriculture, Division of Entomology,1895.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  39. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  40. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Edition: Rev. ed.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  41. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  42. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology.
    Publication info: Washington, D.C. :Government Printing Office,1897
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  43. By: Hine, James S. (James Stewart), - Howard, L. O. (Leland Ossian), - Moulton, Dudley - Quaintance, A. L. (Altus Lacy), - Sanders, J. G. - Townsend, C. H. T. (Charles Henry Tyler),
    Publication info: Washington, [D.C.] :G.P.O.,1912.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  44. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Edition: Revision.
    Publication info: Washington, D.C. :U. S. Dept. of Agriculture, Division of Entomology,1897.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  45. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :United States Dept. of Agriculture, Division of Entomology,1896.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  46. By: Howard, L. O. (Leland Ossian), - University of Glasgow. Library.
    Publication info: New York,1902.
    Holding Institution: University of Glasgow Library (archive.org)
  47. By: Howard, L. O. (Leland Ossian), - Dyar, Harrison G. (Harrison Gray), - Knab, Frederick. - London School of Hygiene and Tropical Medicine.
    Publication info: Washington, D.C. :The Carnegie Institution of Washington,1912-1917.
    Holding Institution: London School of Hygiene & Tropical Medicine Library & Archives Service (archive.org)
  48. By: Howard, L. O. (Leland Ossian), - Dyar, Harrison G. (Harrison Gray), - Knab, Frederick,
    Publication info: Washington, D. C.,Carnegie Institution of Washington,1912-1917.
    Holding Institution: Cornell University Library
  49. By: Howard, L. O. (Leland Ossian),
    Publication info: New York :McClure, Phillips & co.,1901.
    Holding Institution: University of California Libraries (archive.org)
  50. By: Howard, L. O. (Leland Ossian),
    Publication info: New York,McClure, Phillips & Co.,1901.
    Holding Institution: Smithsonian Libraries
  51. By: Howard, L. O. (Leland Ossian), - London School of Hygiene and Tropical Medicine.
    Publication info: Washington : Government Printing Office, 1900.
    Holding Institution: London School of Hygiene & Tropical Medicine Library & Archives Service (archive.org)
  52. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1900.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  53. By: Howard, L. O. (Leland Ossian),
    Publication info: [Washington, D.C.] :U.S. Dept. of Agriculture, Division of Entomology,1895.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Publicaciones en Español
  54. By: Howard, L. O. (Leland Ossian), - Fergusson, A.W.
    Publication info: [Washington, D.C.] :U.S. Dept. of Agriculture,[1896].
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Publicaciones en Español
  55. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology.
    Publication info: [Washington, D.C.] :U.S. Dept. of Agriculture,[1897].
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Publicaciones en Español
  56. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Dept. of Agriculture,1910.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  57. By: Howard, L. O. (Leland Ossian), - Marlatt, C. L. - Chittenden, F. H. (Frank Hurlbut),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Holding Institution: Multiple institutions
  58. By: Howard, L. O. (Leland Ossian), - Chittenden, F. H. (Frank Hurlbut), - Marlatt, C. L.
    Edition: Rev. ed.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896 [i.e. 1899]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  59. By: Howard, L. O. (Leland Ossian),
    Edition: Rev. ed.
    Publication info: [n.p.]1902.
    Holding Institution: Library of Congress
  60. By: Bouvier, E.-L., - Howard, L. O. (Leland Ossian),
    Publication info: London :T.Fisher Unwin,1922.
    Holding Institution: University of Connecticut Libraries (archive.org)
  61. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  62. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1900.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  63. By: Howard, L. O. (Leland Ossian), - United States. Division of Entomology. - United States. Dept. of Agriculture.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  64. By: Howard, L. O. (Leland Ossian), - United States. Office of Experiment Stations.
    Publication info: Washington :G.P.O.,1895.
    Holding Institution: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature
  65. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  66. By: Howard, L. O. (Leland Ossian), - Marlatt, C. L.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  67. By: Howard, L. O. (Leland Ossian), - Chittenden, F. H. (Frank Hurlbut), - Coquillett, D. W. (Daniel William), - Hunter, W. D. (Walter David), - Marlatt, C. L. - Matsumura, M. - Zehntner, Leo, - United States. Office of Experiment Stations.
    Edition: New ser.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology :1898.
    Holding Institution: University of Florida, George A. Smathers Libraries
    BHL Collections: Expanding Access to Biodiversity Literature
  68. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  69. By: Howard, L. O. (Leland Ossian),
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 40
    Date: 1908
    Page Range: 239--241
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  2. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 14
    Issue: 881
    Date: 1892
    Page Range: 567--588
    Publication info: Washington :Smithsonian Institution Press, [etc.]
  3. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 20
    Date: 1888
    Page Range: 191--195
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  4. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 18
    Date: 1907
    Page Range: 375--378
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
  5. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 3
    Date: 1896
    Page Range: 310--313
    Publication info: Washington, etc. :Entomological Society of Washington
  6. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 16
    Date: 1914
    Page Range: 79--85
    Publication info: Washington, etc. :Entomological Society of Washington
  7. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Washington Academy of Sciences.
    Volume: 2
    Date: 1900
    Page Range: 541--604
    Publication info: Washington,Washington Academy of Sciences.
  8. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Technical series / Bureau of Entomology United States Department of Agriculture
    Volume: 2
    Date: 1896
    Page Range: 1--24
    Publication info: Washington,Govt. print. off.,1895-1915.
  9. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 2
    Date: 1892
    Page Range: 290--302
    Publication info: Washington, etc. :Entomological Society of Washington
  10. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 15
    Date: 1892
    Page Range: 361--369
    Publication info: Washington :Smithsonian Institution Press, [etc.]
  11. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Psyche.
    Volume: 24
    Date: 1917
    Page Range: 87--88
    Publication info: Cambridge, Mass. :Cambridge Entomological Club
  12. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 17
    Date: 1906
    Page Range: 121--122
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
  13. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 1
    Date: 1908
    Page Range: 281--284
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
  14. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 39
    Date: 1907
    Page Range: 102--103
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  15. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 10
    Date: 1908
    Page Range: 68--70
    Publication info: Washington, etc. :Entomological Society of Washington
  16. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 27
    Date: 1895
    Page Range: 350--351
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  17. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 32
    Date: 1900
    Page Range: 167--168
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  18. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 30
    Date: 1898
    Page Range: 17--18
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  19. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 12
    Date: 1880
    Page Range: 158--159
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  20. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Journal of economic entomology.
    Volume: 4
    Date: 1911
    Page Range: 276--277
    Publication info: [College Park, Md., etc.]Entomological Society of America [etc.]
  21. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Journal of economic entomology.
    Volume: 4
    Date: 1911
    Page Range: 130--132
    Publication info: [College Park, Md., etc.]Entomological Society of America [etc.]
  22. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 21
    Issue: 1142
    Date: 1898
    Page Range: 231--248
    Publication info: Washington :Smithsonian Institution Press, [etc.]
  23. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 4
    Date: 1898
    Page Range: 133--139
    Publication info: Washington, etc. :Entomological Society of Washington
  24. By: Howard, L. O. (Leland Ossian), - Ashmead, William H.
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 18
    Issue: 1092
    Date: 1896
    Page Range: 633--648
    Publication info: Washington :Smithsonian Institution Press, [etc.]
  25. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 17
    Date: 1895
    Page Range: 605--613
    Publication info: Washington :Smithsonian Institution Press, [etc.]
  26. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Journal of the Linnean Society of London.
    Volume: 26
    Date: 1897
    Page Range: 129--178
    Publication info: London :Academic Press [etc.],1865-1968.
  27. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 17
    Date: 1906
    Page Range: 291--293
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
  28. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Entomologica Americana.
    Volume: 1
    Date: 1885
    Page Range: 117--118
    Publication info: [Lawrence, Kan., etc.]New York Entomological Society [etc.]
  29. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 28
    Date: 1896
    Page Range: 165--167
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  30. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 10
    Date: 1908
    Page Range: 63--65
    Publication info: Washington, etc. :Entomological Society of Washington
  31. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 2
    Date: 1891
    Page Range: 123--124
    Publication info: Washington, etc. :Entomological Society of Washington
  32. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the Biological Society of Washington.
    Volume: 32
    Date: 1919
    Page Range: 271--279
    Publication info: Washington,Biological Society of Washington
  33. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Annals of the Entomological Society of America.
    Volume: 7
    Date: 1914
    Page Range: 86--88
    Publication info: [College Park, Md., etc.] :Entomological Society of America.
  34. By: Riley, Charles V. (Charles Valentine), - Ashmead, William H. - Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Journal of the Linnean Society of London.
    Volume: 25
    Date: 1894
    Page Range: 56--254
    Publication info: London :Academic Press [etc.],1865-1968.
  35. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Proceedings of the United States National Museum.
    Volume: 12
    Date: 1889
    Page Range: 185--207
    Publication info: Washington :Smithsonian Institution Press, [etc.]
  36. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 21
    Date: 1910
    Page Range: 162--163
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]
  37. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: The Canadian entomologist.
    Volume: 12
    Date: 1880
    Page Range: 207--210
    Publication info: Ottawa [etc.]Entomological Society of Canada [etc.]
  38. By: Howard, L. O. (Leland Ossian),
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.
    Volume: 19
    Date: 1908
    Page Range: 365--367
    Publication info: Philadelphia[Entomological Rooms of the Academy of Natural Sciences]