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  1. By: Mahon, Robin
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 3
    Date: 1977
    Page Range: 292--293
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Mahon, Robin
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 3
    Date: 1979
    Page Range: 348--348
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Mahon, Robin - Ferguson, Mark
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 3
    Date: 1981
    Page Range: 272--275
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Mahon, Robin
    Type: Article
    In: The Canadian field-naturalist
    Volume: 96
    Issue: 2
    Date: 1982
    Page Range: 231--232
    Publication Info: Ottawa Ottawa Field-Naturalists' Club