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  1. By: Reeves, Randall R. - Mitchell, Edward D. - Whitehead, Hal P.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 107
    Issue: 4
    Date: 1993
    Page Range: 490--508
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Baird, Robin William - Stacey, Pam Joyce - Whitehead, Hal P.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 107
    Issue: 4
    Date: 1993
    Page Range: 455--465
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Alling, Abigail. - Whitehead, Hal P.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 2
    Date: 1997
    Page Range: 131--135
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Whitehead, Hal P. - Faucher, Annick - Gowans, Shannon - McCarrey, Stephen
    Type: Article
    In: The Canadian field-naturalist
    Volume: 111
    Issue: 2
    Date: 1997
    Page Range: 287--292
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Reeves, Randall R. - Whitehead, Hal P.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 111
    Issue: 2
    Date: 1997
    Page Range: 293--307
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Whitehead, Hal P.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 101
    Issue: 2
    Date: 1997
    Page Range: 284--294
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Goold, John C. - Whitehead, Hal P. - Reid, Robert J
    Type: Article
    In: The Canadian field-naturalist
    Volume: 116
    Issue: 3
    Date: 2002
    Page Range: 371--388
    Publication Info: Ottawa Ottawa Field-Naturalists' Club