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  1. By: Ferguson, Michael A. D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 98
    Issue: 4
    Date: 1984
    Page Range: 523--524
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Ferguson, Michael A. D. - Keith, Lloyd B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 96
    Issue: 1
    Date: 1982
    Page Range: 69--78
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Ferguson, Michael A. D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 95
    Issue: 1
    Date: 1981
    Page Range: 124--124
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Ferguson, Michael A. D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 97
    Issue: 2
    Date: 1983
    Page Range: 243--244
    Publication Info: Ottawa Ottawa Field-Naturalists' Club