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  1. By: Stevenson, J A
    Type: Article
    In: The Canadian field-naturalist
    Volume: 48
    Issue: 1
    Date: 1934-01
    Page Range: 4--7
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Toner, G. C. (George Clive), - Stevenson, J A
    Type: Article
    In: The Canadian field-naturalist
    Volume: 48
    Issue: 8
    Date: 1934-11
    Page Range: 131--133
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Stevenson, J A
    Type: Article
    In: The Canadian field-naturalist
    Volume: 49
    Issue: 7
    Date: 1935-10
    Page Range: 119--120
    Publication Info: Ottawa Ottawa Field-Naturalists' Club