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  1. By: Krivda, W V
    Type: Article
    In: The Canadian field-naturalist
    Volume: 73
    Issue: 3
    Date: 1959
    Page Range: 177--177
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Krivda, W V
    Type: Article
    In: The Canadian field-naturalist
    Volume: 71
    Issue: 2
    Date: 1957
    Page Range: 83--83
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Krivda, W V
    Type: Article
    In: The Canadian field-naturalist
    Volume: 73
    Issue: 2
    Date: 1959
    Page Range: 129--129
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Krivda, W V
    Type: Article
    In: Entomological news
    Volume: 83
    Date: 1972
    Page Range: 103--104
    Publication Info: [Philadelphia], American Entomological Society, 1925-
  5. By: Krivda, W V
    Type: Article
    In: The Canadian field-naturalist
    Volume: 76
    Issue: 3
    Date: 1962
    Page Range: 181--182
    Publication Info: Ottawa Ottawa Field-Naturalists' Club