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  1. By: Miller, G. E. - Dale, H. M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 4
    Date: 1979
    Page Range: 386--390
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Dale, H. M. - Garton, C. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 98
    Issue: 4
    Date: 1984
    Page Range: 444--450
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Dale, H. M. - Miller, G. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 92
    Issue: 3
    Date: 1978
    Page Range: 264--270
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Dale, H. M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 4
    Date: 1986
    Page Range: 571--573
    Publication Info: Ottawa Ottawa Field-Naturalists' Club