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  1. An annotated list of the important North American forest insects / compiled by F.C. Craighead.
    By: Craighead, Frank C. - Beal, J. A. - Britton, Wilton Everett, - Burgess, A. F. - Busck, August, - Chittenden, F. H. - Graham, Samuel Alexander, - Herrick, Glenn W. - Hopkins, A. D. - Howard, L. O. - 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?
    Contributed by: NCSU Libraries (archive.org)
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  2. The bagworm. (Thyridopteryx ephemeraeformis Haw.) /
    By: Howard, L. O. - Chittenden, F. H. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1908.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  3. Box-elder plant-bug (Leptocoris trivittatus Say.) /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  4. The butterflies of the eastern United States and Canada : with special reference to New England / By Samuel Hubbard Scudder.
    By: Scudder, Samuel H. - Davis, William Morris, - Howard, L. O. - Riley, Charles V. - Williston, Samuel W. - Woodworth, Charles William,
    Publication info: Cambridge :The author,1889.
    Contributed by: MBLWHOI Library
    BHL Collections: Blog Features
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  5. The Catalpa sphinx. (Ceratomia c
    By: Howard, L. O. - Chittenden, F. H. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  6. The chinch-bug /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1888.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  7. Descriptions of North American Chalcididae from the collections of the U.S. Department of Agriculture and of Dr. C.V. Riley, with biological notes : together with a list of the described North American species of the family /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1885.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  8. Economic loss to the people of the United States through insects that carry disease /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  9. Economic loss to the people of the United States through insects that carry disease /
    By: Howard, L. O.
    Edition: Rev.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  10. Fighting the insects; the story of an entomologist, telling of the life and experiences of the writer, by L.O. Howard.
    By: Howard, L. O.
    Publication info: New York,The Macmillian Company,1933.
    Contributed by: MBLWHOI Library
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  11. General work against insects which defoliate shade trees in cities and towns /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  12. The gipsy moth in America : a summary account of the introduction and spread of Porthetria dispar in Massachusetts and of the efforts made by the state to repress and eliminate it /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  13. The green-striped maple worm. (Anisota rubicunda Fab.) /
    By: Howard, L. O. - Chittenden, F. H. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  14. House fleas /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  15. House flies. (Musca domestica et al.) /
    By: Howard, L. O. - United States.
    Edition: Revision.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  16. The house fly, disease carrier : an account of its dangerous activities and of the means of destroying it / by L. O. Howard.
    By: Howard, L. O.
    Publication info: New York :A. Stokes,c1911.
    Contributed by: Gerstein - University of Toronto (archive.org)
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  17. The house fly, disease carrier; an account of its dangerous activities and of the means of destroying it.
    By: Howard, L. O.
    Publication info: New York :Stokes,c1911.
    Contributed by: University of California Libraries (archive.org)
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  18. The house fly, disease carrier; an account of its dangerous activities and of the means of destroying it, by L.O. Howard, PH. D.
    By: Howard, L. O.
    Publication info: New York,Frederick A. Stokes Company[c1911]
    Contributed by: Smithsonian Libraries
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  19. How to distinguish the different mosquitoes of North America /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1900.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  20. Hydrocyanic-acid gas against household insects /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1907.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  21. Hydrocyanic-acid gas against household insects.
    By: Howard, L. O. - United States.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  22. The importation into the United States of the parasites of the gipsy moth and the brown-tail moth : a report of progress, with some consideration of previous and concurrent efforts of this kind /
    By: Howard, L. O. - Fiske, William Fuller.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1911.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  23. The insect book : a popular account of the bees, wasps, ants, grasshoppers, flies, and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies /
    By: Howard, L. O.
    Publication info: Garden City :Doubleday,1916.
    Contributed by: Gerstein - University of Toronto (archive.org)
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  24. The insect book a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies /
    By: Howard, L. O.
    Publication info: Toronto :W. Briggs,1901.
    Contributed by: Canadiana.org (archive.org)
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  25. The insect book; a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies,
    By: Howard, L. O.
    Publication info: New York,Doubleday, Page & Company,1901.
    Contributed by: Smithsonian Libraries
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  26. The insect book; a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies, by Leland O. Howard.
    By: Howard, L. O.
    Publication info: New York,Doubleday, Page,1905.
    Contributed by: NCSU Libraries (archive.org)
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  27. The insect book; a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies, by Leland O. Howard.
    By: Howard, L. O.
    Publication info: Garden City, N. Y.,Doubleday, Doran & company,1937.
    Contributed by: MBLWHOI Library
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  28. Larger Corn Stalk-Borer (Diatraea Saccharalis Fab.) /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  29. The Laws in force against injurious insects and foul brood in the United States /
    By: Burgess, A. F. - Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
    Contributed by: University Library, University of Illinois Urbana Champaign
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  30. The Laws in force against injurious insects and foul brood in the United States /
    By: Burgess, A. F. - Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1906.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  31. Legislation against injurious insects : a compilation of the laws and regulations in the United States and British Columbia /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1895.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  32. The leopard moth. (Zeuzera pyrina Fab.) /
    By: Howard, L. O. - Chittenden, F. H. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Bureau of Entomology,1909.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  33. Mexican cotton-boll weevil (Anthonomus grandis Boh.) /
    By: Howard, L. O.
    Publication info: Washington, D.C. :United States. Department of Agriculture, Division of Entomology,1895.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  34. The Mexican cotton-boll weevil (Anthonomus grandis Boh.) /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  35. The Mexican cotton-boll weevil (Anthonomus grandis Boh.) /
    By: Howard, L. O. - United States.
    Edition: Rev. ed.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  36. Mexican cotton-boll weevil in 1897 /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  37. Der mexikanische baumwollkapsel-r赳selk衦er. (Anthonomus grandis) /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :Government Printing Office,1897
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  38. Miscellaneous papers.
    By: Hine, James S. - Howard, L. O. - Moulton, Dudley - Quaintance, A. L. - Sanders, J. G. - Townsend, C. H. T.
    Publication info: Washington, [D.C.] :G.P.O.,1912.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  39. Mosquitoes and fleas /
    By: Howard, L. O. - United States.
    Edition: Revision.
    Publication info: Washington, D.C. :U. S. Dept. of Agriculture, Division of Entomology,1897.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  40. Mosquitoes and fleas /
    By: Howard, L. O.
    Publication info: Washington, D.C. :United States Dept. of Agriculture, Division of Entomology,1896.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  41. Mosquitoes how they live; how they carry disease; how they are classified; how they may be destroyed /
    By: Howard, L. O. - University of Glasgow.
    Publication info: New York,1902.
    Contributed by: University of Glasgow Library (archive.org)
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  42. The mosquitoes of North and Central America and the West Indies,
    By: Howard, L. O. - Dyar, Harrison G. - Knab, Frederick,
    Publication info: Washington, D. C.,Carnegie Institution of Washington,1912-1917.
    Contributed by: Cornell University Library
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  43. Mosquitoes; how they live; how they carry disease; how they are classified; how they may be destroyed; by L. O. Howard.
    By: Howard, L. O.
    Publication info: New York :McClure, Phillips & co.,1901.
    Contributed by: University of California Libraries (archive.org)
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  44. Mosquitoes; how they live; how they carry disease; how they are classified; how they may be destroyed; by L.O. Howard ...
    By: Howard, L. O.
    Publication info: New York,McClure, Phillips & Co.,1901.
    Contributed by: Smithsonian Libraries
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  45. Notes on the mosquitoes of the United States : giving some account of their structure and biology : with remarks on remedies /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1900.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  46. El picudo ó gorgojo mexicano de la cápsula del algodón. (Anthonomus grandis Boh.)
    By: Howard, L. O.
    Publication info: [Washington, D.C.] :U.S. Dept. of Agriculture, Division of Entomology,1895.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Publicaciones en Español
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  47. El picudo ó gorgojo mexicano de la cápsula del algodón. (Anthonomus grandis Boh.)
    By: Howard, L. O. - Fergusson, A.W.
    Publication info: [Washington, D.C.] :U.S. Dept. of Agriculture,[1896].
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Publicaciones en Español
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  48. El picudo ó gorgojo mexicano de la cápsula del algodón. (Anthonomus grandis Boh.)
    By: Howard, L. O. - United States.
    Publication info: [Washington, D.C.] :U.S. Dept. of Agriculture,[1897].
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    BHL Collections: Publicaciones en Español
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  49. Preventive and remedial work against mosquitoes /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Dept. of Agriculture,1910.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  50. The principal household insects of the United States /
    By: Howard, L. O. - Chittenden, F. H. - Marlatt, C. L.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  51. The principal household insects of the United States /
    By: Howard, L. O. - Chittenden, F. H. - Marlatt, C. L.
    Edition: Rev. ed.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896 [i.e. 1899]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  52. Principal household insects of the United States...
    By: Howard, L. O.
    Edition: Rev. ed.
    Publication info: [n.p.]1902.
    Contributed by: Library of Congress
    BHL Collections: Library of Congress
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  53. Principal household insects of the United States...
    By: Howard, L. O.
    Publication info: [n.p.]1896.
    Contributed by: Library of Congress
    BHL Collections: Library of Congress
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  54. The psychic life of insects / by E.L. Bouvier ; translated by L.O. Howard.
    By: Bouvier, E.-L., - Howard, L. O.
    Publication info: London :T.Fisher Unwin,1922.
    Contributed by: University of Connecticut Libraries (archive.org)
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  55. Recent laws against injurious insects in North America : together with the laws relative to foul brood /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  56. Regulations of foreign governments regarding importation of American plants, trees, and fruits /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1900.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  57. Remedial work against the Mexican cotton-boll weevil /
    By: Howard, L. O. - United States.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  58. The San Jose scale in 1896-1897 /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  59. San Jose scale: its occurrence in the United States with a full account of its life history and the remedies to be used against it /
    By: Howard, L. O. - Marlatt, C. L.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1896.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  60. Some miscellaneous results of the work of the Division of Entomology /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1897.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  61. Some miscellaneous results of the work of the Division of Entomology /
    By: Howard, L. O.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture, Division of Entomology,1898.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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