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  1. By: Kerbes, Richard H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 2
    Date: 1986
    Page Range: 212--217
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Macinnes, C D - Kerbes, Richard H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 1
    Date: 1997
    Page Range: 33--39
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Kerbes, Richard H. - Meeres, Katherine M. - Hines, James E - Kay, David G.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 122
    Issue: 1
    Date: 2008-01-01
    Page Range: 34--39
    Publication Info: Ottawa Ottawa Field-Naturalists' Club