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  1. By: Newton, I
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 4
    Date: 1980
    Page Range: 483--483
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Newton, I
    Type: Article
    In: Raptor research
    Volume: 13
    Issue: 4
    Date: 1979
    Page Range: 97--101
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  3. By: Newton, I
    Type: Article
    In: Raptor research
    Volume: 13
    Issue: 3
    Date: 1979
    Page Range: 65--78
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  4. By: Newton, I - Wyllie, Ian
    Type: Article
    In: The journal of raptor research
    Volume: 26
    Issue: 3
    Date: 1992
    Page Range: 108--114
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  5. By: Newton, I
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 3
    Date: 1976
    Page Range: 225--227
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Newton, I
    Type: Article
    In: The journal of raptor research
    Volume: 27
    Issue: 1
    Date: 1993
    Page Range: 78--78
    Publication Info: Hastings, Minn, Raptor Research Foundation, ©1987-
  7. By: Newton, I - Marquiss, M
    Type: Article
    In: Raptor research
    Volume: 10
    Issue: 3
    Date: 1976
    Page Range: 65--71
    Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]
  8. By: Newton, I
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 3
    Date: 1976
    Page Range: 274--300
    Publication Info: Ottawa Ottawa Field-Naturalists' Club