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  1. 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
  2. By: Calvert, E. W.
    Type: Article
    In: The Ottawa naturalist
    Volume: 26
    Issue: 7
    Date: 1912-10
    Page Range: 91--92
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,
  3. By: Calvert, E. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 34
    Issue: 6
    Date: 1920-09
    Page Range: 109--110
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Calvert, E. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 39
    Issue: 3
    Date: 1925-03
    Page Range: 49--51
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Calvert, E. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 39
    Issue: 4
    Date: 1925-04
    Page Range: 72--74
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Calvert, E. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 37
    Issue: 4
    Date: 1923-04
    Page Range: 77--77
    Publication Info: Ottawa Ottawa Field-Naturalists' Club