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  1. By: Barry, Ronald E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 3
    Date: 1991
    Page Range: 417--417
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Stevens, Monica A. - Barry, Ronald E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 116
    Issue: 4
    Date: 2002
    Page Range: 529--535
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Barry, Ronald E. - Heft, Alan A. - Baummer, Thomas E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 3
    Date: 1990
    Page Range: 387--393
    Publication Info: Ottawa Ottawa Field-Naturalists' Club