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  1. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 38
    Date: 1906
    Page Range: 326--328
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  2. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 24
    Date: 1917
    Page Range: 53--53
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  3. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 41
    Date: 1909
    Page Range: 21--24
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  4. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 36
    Date: 1904
    Page Range: 233--236
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  5. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 36
    Date: 1904
    Page Range: 297--301
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  6. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 37
    Date: 1905
    Page Range: 94--102
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  7. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 37
    Date: 1905
    Page Range: 129--135
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  8. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 37
    Date: 1905
    Page Range: 385--388
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  9. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 38
    Date: 1906
    Page Range: 132--134
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  10. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 38
    Date: 1906
    Page Range: 367--368
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  11. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 39
    Date: 1907
    Page Range: 413--414
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  12. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 42
    Date: 1910
    Page Range: 193--196
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  13. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 21
    Date: 1914
    Page Range: 32--33
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  14. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 21
    Date: 1914
    Page Range: 159--160
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  15. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 21
    Date: 1914
    Page Range: 129--130
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  16. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 26
    Date: 1919
    Page Range: 166--169
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  17. By: Ludlow, C S
    Type: Article
    In: The Canadian entomologist
    Volume: 37
    Date: 1905
    Page Range: 231--232
    Publication Info: Ottawa [etc.], Entomological Society of Canada [etc.],
  18. By: Ludlow, C S
    Type: Article
    In: Insecutor inscitiae menstruus
    Volume: 7
    Date: 1920
    Page Range: 151--161
    Publication Info: Washington, D.C, [Harrison G. Dyar], 1913-1926
  19. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 25
    Date: 1918
    Page Range: 127--128
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  20. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 21
    Date: 1914
    Page Range: 30--32
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  21. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 18
    Date: 1911-08
    Page Range: 125--133
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  22. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 22
    Date: 1915
    Page Range: 137--140
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  23. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 27
    Date: 1920
    Page Range: 74--78
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  24. By: Ludlow, C S
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 11
    Date: 1903
    Page Range: 137--144
    Publication Info: Lawrence, Kan Allen Press [etc.]
  25. By: Ludlow, C S
    Type: Article
    In: Psyche
    Volume: 25
    Date: 1918
    Page Range: 66--68
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  26. By: Dyar, Harrison G. (Harrison Gray), - Ludlow, C S
    Type: Article
    In: Insecutor inscitiae menstruus
    Volume: 9
    Date: 1921
    Page Range: 46--50
    Publication Info: Washington, D.C, [Harrison G. Dyar], 1913-1926
  27. By: Ludlow, C S
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 10
    Date: 1902
    Page Range: 127--131
    Publication Info: Lawrence, Kan Allen Press [etc.]