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  1. By: Bird, Ralph Durham, - Canada. Department of Agriculture. Research Station (Winnipeg, Man.)
    Publication info: [Ottawa], Research Branch, Canada Dept. of Agriculture, 1961]
    Holding Institution: Agriculture and Agri-Food Canada (AAFC)
  1. By: Bird, Ralph Durham,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 43
    Issue: 4
    Date: 1929-04
    Page Range: 79--83
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Bird, Ralph Durham,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 43
    Issue: 9
    Date: 1929-12
    Page Range: 206--207
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Bird, Lois Gould - Bird, Ralph Durham,
    Type: Article
    In: The Wilson bulletin
    Volume: 43
    Issue: 4
    Date: 1931
    Page Range: 293--305
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Bird, Ralph Durham,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 69
    Issue: 1
    Date: 1955
    Page Range: 11--11
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Bird, Ralph Durham,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 70
    Issue: 4
    Date: 1956
    Page Range: 182--183
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Bird, Ralph Durham, - Smith, Lawrie B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 78
    Issue: 3
    Date: 1964
    Page Range: 179--186
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Smith, Lawrie B. - Bird, Ralph Durham,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 1
    Date: 1969
    Page Range: 40--47
    Publication Info: Ottawa Ottawa Field-Naturalists' Club