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  1. By: Sherk, L. C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 4
    Date: 1977
    Page Range: 430--430
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Sherk, L. C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 84
    Issue: 2
    Date: 1970
    Page Range: 202--202
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Sherk, L. C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 76
    Issue: 4
    Date: 1962
    Page Range: 221--222
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Sherk, L. C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 81
    Issue: 3
    Date: 1967
    Page Range: 210--211
    Publication Info: Ottawa Ottawa Field-Naturalists' Club