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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ludwig, Daniel - Barsa, Mary C
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 67
    Date: 1959
    Page Range: 151--156
    Publication Info: Lawrence, Kan Allen Press [etc.]
  2. By: Ludwig, Daniel - Folzenlogen, John N
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 72
    Date: 1964
    Page Range: 159--162
    Publication Info: Lawrence, Kan Allen Press [etc.]
  3. By: Kelly, Robert P - Ludwig, Daniel
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 75
    Date: 1967
    Page Range: 45--53
    Publication Info: Lawrence, Kan Allen Press [etc.]
  4. By: Ludwig, Daniel - Barsa, Mary C
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 65
    Date: 1957
    Page Range: 107--111
    Publication Info: Lawrence, Kan Allen Press [etc.]
  5. By: Ludwig, Daniel - Crowe, Priscilla A - Hassemer, M Matthew
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 72
    Date: 1964
    Page Range: 23--28
    Publication Info: Lawrence, Kan Allen Press [etc.]
  6. By: Ludwig, Daniel - Barsa, Mary C
    Type: Article
    In: The Biological bulletin
    Volume: 110
    Date: 1956-02-01
    Page Range: 77--82
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  7. By: Cordero, Sally M - Ludwig, Daniel
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 71
    Date: 1963
    Page Range: 66--73
    Publication Info: Lawrence, Kan Allen Press [etc.]
  8. By: Folinas, Helen - Ludwig, Daniel
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 79
    Date: 1971
    Page Range: 182--189
    Publication Info: Lawrence, Kan Allen Press [etc.]
  9. By: Ludwig, Daniel - Gallagher, Margaret R
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 74
    Date: 1966
    Page Range: 134--139
    Publication Info: Lawrence, Kan Allen Press [etc.]