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  1. By: Campbell, J. Mitchell
    Type: Article
    In: The Canadian field-naturalist
    Volume: 65
    Issue: 6
    Date: 1951
    Page Range: 210--210
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Campbell, J. Mitchell
    Type: Article
    In: The Canadian field-naturalist
    Volume: 66
    Issue: 3
    Date: 1952
    Page Range: 88--88
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Campbell, J. Mitchell
    Type: Article
    In: The Canadian field-naturalist
    Volume: 79
    Issue: 2
    Date: 1965
    Page Range: 157--158
    Publication Info: Ottawa Ottawa Field-Naturalists' Club