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  1. By: Warburton, Fred
    Type: Article
    In: The Canadian field-naturalist
    Volume: 65
    Issue: 2
    Date: 1951
    Page Range: 79--79
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Warburton, Fred
    Type: Article
    In: The Canadian field-naturalist
    Volume: 65
    Issue: 2
    Date: 1951
    Page Range: 79--79
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Warburton, Fred
    Type: Article
    In: The Canadian field-naturalist
    Volume: 62
    Issue: 5
    Date: 1948
    Page Range: 164--164
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Warburton, Fred
    Type: Article
    In: The Canadian field-naturalist
    Volume: 63
    Issue: 1
    Date: 1949
    Page Range: 34--36
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Warburton, Fred
    Type: Article
    In: The Canadian field-naturalist
    Volume: 64
    Issue: 6
    Date: 1950
    Page Range: 192--200
    Publication Info: Ottawa Ottawa Field-Naturalists' Club