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  1. By: Watson, Adam
    Type: Article
    In: The Canadian field-naturalist
    Volume: 71
    Issue: 3
    Date: 1957
    Page Range: 87--109
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Watson, Adam
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 3
    Date: 1986
    Page Range: 396--397
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Watson, Adam
    Type: Article
    In: The Canadian field-naturalist
    Volume: 76
    Issue: 1
    Date: 1962
    Page Range: 56--60
    Publication Info: Ottawa Ottawa Field-Naturalists' Club