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  1. By: Davidson, W. M. - Nougaret, R. L. (Raymond Louis),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1921
    Holding Institution: Multiple institutions
  2. By: Davidson, W. M.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1919
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Nougaret, R. L. (Raymond Louis), - Davidson, W. M. - Newcomer, E. J. (Erval Jackson),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1916
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Davidson, W. M.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1924
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: Davidson, W. M.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1914
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Davidson, W. M.
    Type: Article
    In: Journal of economic entomology
    Volume: 5
    Date: 1912
    Page Range: 404--413
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],
  2. By: Davidson, W. M.
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 28
    Date: 1917
    Page Range: 414--419
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  3. By: Davidson, W. M.
    Type: Article
    In: Journal of economic entomology
    Volume: 3
    Date: 1910-08
    Page Range: 372--381
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],
  4. By: Davidson, W. M.
    Type: Article
    In: Journal of economic entomology
    Volume: 10
    Date: 1917
    Page Range: 290--297
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],
  5. By: Davidson, W. M.
    Type: Article
    In: The Canadian entomologist
    Volume: 51
    Date: 1919
    Page Range: 245--248
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  6. By: Davidson, W. M.
    Type: Article
    In: Journal of economic entomology
    Volume: 2
    Date: 1909
    Page Range: 299--305
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],
  7. By: Davidson, W. M.
    Type: Article
    In: Transactions of the American Entomological Society
    Volume: 48
    Date: 1922
    Page Range: 35--47
    Publication Info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-
  8. By: Davidson, W. M.
    Type: Article
    In: The Canadian entomologist
    Volume: 47
    Date: 1915
    Page Range: 134--135
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  9. By: Davidson, W. M.
    Type: Article
    In: Journal of economic entomology
    Volume: 7
    Date: 1914
    Page Range: 127--136
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],
  10. By: Davidson, W. M.
    Type: Article
    In: Journal of economic entomology
    Volume: 4
    Date: 1911
    Page Range: 559--562
    Publication Info: [College Park, Md., etc.], Entomological Society of America [etc.],
  11. By: Baker, A. C. (Arthur Challen), - Davidson, W. M.
    Type: Article
    In: Journal of agricultural research
    Volume: 6
    Date: 1916
    Page Range: 351--360
    Publication Info: Washington, U.S. Govt. Printing Office, 1913-1949