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  1. By: Simpson, G. Buchanan
    Type: Article
    In: Bulletin of the American Iris Society
    Issue: 39
    Date: 1931-04
    Page Range: 39--43
    Publication Info: DeLeon Springs, Fla American Iris Society
  2. By: Munro, J A - Simpson, G. Buchanan - Pearse, Theed - Dale, E. M. S. - The Hamilton Bird Protection Society Inc - Thompson, Stuart L. - Calvert, E. W. - DeLury, Ralph E. - Terrill, Lewis McIver - Lord, J. S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 39
    Issue: 1
    Date: 1925-01
    Page Range: 21--25
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Simpson, G. Buchanan
    Type: Article
    In: The Canadian field-naturalist
    Volume: 39
    Issue: 2
    Date: 1925-02
    Page Range: 29--30
    Publication Info: Ottawa Ottawa Field-Naturalists' Club