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  1. By: Leonard, Mortimer Demarest,
    Publication info: Ithaca, Cornell University, 1914
    Holding Institution: Smithsonian Libraries and Archives
  2. By: Leonard, Mortimer Demarest, - Oregon. State Department of Agriculture. - United States. Agricultural Research Service.
    Publication info: Washington, Agricultural Research Service, 1974
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Leonard, Mortimer Demarest,
    Publication info: Ithaca, N.Y, Cornell University, 1928
    Holding Institution: University of Connecticut Libraries
  4. By: Crosby, Cyrus Richard, - Leonard, Mortimer Demarest,
    Publication info: New York, The Macmillan company, 1918
    Holding Institution: Smithsonian Libraries and Archives
  5. By: Crosby, Cyrus Richard, - Leonard, Mortimer Demarest,
    Publication info: New York, The Macmillan company, 1918
    Holding Institution: Library of Congress
  6. By: Crosby, Cyrus Richard, - Leonard, Mortimer Demarest,
    Publication info: New York, The Macmillan company, 1918
    Holding Institution: University of British Columbia Library
  7. By: Leonard, Mortimer Demarest,
    Publication info: 1931
    Holding Institution: American Museum of Natural History Library
  1. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 72
    Date: 1964
    Page Range: 79--101
    Publication Info: Lawrence, Kan Allen Press [etc.]
  2. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 24
    Date: 1913
    Page Range: 247--249
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  3. By: Walker, Harry G. - Leonard, Mortimer Demarest, - Enari, Leonid
    Type: Article
    In: Lasca leaves
    Volume: 19
    Date: 1969
    Page Range: 29-31
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976
  4. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 80
    Date: 1972
    Page Range: 182--194
    Publication Info: Lawrence, Kan Allen Press [etc.]
  5. By: Crosby, Cyrus Richard, - Leonard, Mortimer Demarest,
    Type: Article
    In: The Canadian entomologist
    Volume: 46
    Date: 1914
    Page Range: 181--182
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  6. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 75
    Date: 1967
    Page Range: 77--92
    Publication Info: Lawrence, Kan Allen Press [etc.]
  7. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 23
    Date: 1915
    Page Range: 193--196
    Publication Info: Lawrence, Kan Allen Press [etc.]
  8. By: Leonard, Mortimer Demarest, - Barber, George W. (George Ware),
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 31
    Date: 1923
    Page Range: 181--184
    Publication Info: Lawrence, Kan Allen Press [etc.]
  9. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 79
    Date: 1971
    Page Range: 62--83
    Publication Info: Lawrence, Kan Allen Press [etc.]
  10. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 79
    Date: 1966
    Page Range: 117--126
    Publication Info: Washington, Biological Society of Washington,
  11. By: Leonard, Mortimer Demarest,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 55
    Date: 1947
    Page Range: 215--217
    Publication Info: Lawrence, Kan Allen Press [etc.]
  12. By: Alexander, Charles P. (Charles Paul), - Leonard, Mortimer Demarest,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 20
    Date: 1912
    Page Range: 36--40
    Publication Info: Lawrence, Kan Allen Press [etc.]