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  1. By: Cody, William J. - Parker, Gerald R. - Lamperd, David B.M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 1
    Date: 1976
    Page Range: 70--72
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Parker, Gerald R. - Kimball, Donald G. - Dalzell, B.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 108
    Issue: 1
    Date: 1994
    Page Range: 1--9
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Parker, Gerald R. - Maxwell, J. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 1
    Date: 1980
    Page Range: 1--8
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Parker, Gerald R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 112
    Issue: 4
    Date: 1998
    Page Range: 586--595
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Parker, Gerald R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 4
    Date: 1989
    Page Range: 509--519
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Parker, Gerald R. - Maxwell, J. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 98
    Issue: 3
    Date: 1984
    Page Range: 293--304
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Parker, Gerald R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 1
    Date: 1977
    Page Range: 81--83
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Parker, Gerald R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 1
    Date: 1977
    Page Range: 8--18
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  9. By: Parker, Gerald R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 2
    Date: 1974
    Page Range: 151--156
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  10. By: Parker, Gerald R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 1
    Date: 1986
    Page Range: 74--77
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  11. By: Parker, Gerald R. - Maxwell, J. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 1
    Date: 1989
    Page Range: 1--11
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  12. By: Parker, Gerald R.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 4
    Date: 1979
    Page Range: 440--441
    Publication Info: Ottawa Ottawa Field-Naturalists' Club