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  1. By: Hart, D R
    Type: Article
    In: The Canadian field-naturalist
    Volume: 107
    Issue: 1
    Date: 1993
    Page Range: 134--135
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hart, D R
    Type: Article
    In: The Canadian field-naturalist
    Volume: 104
    Issue: 3
    Date: 1990
    Page Range: 498--499
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Hart, D R
    Type: Article
    In: The Canadian field-naturalist
    Volume: 96
    Issue: 2
    Date: 1982
    Page Range: 127--130
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Hart, D R
    Type: Article
    In: Tulane studies in zoology and botany
    Volume: 21
    Issue: 2
    Date: 1979
    Page Range: 125--140
    Publication Info: New Orleans, Tulane University, [1968-
  5. By: Hart, D R
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 2
    Date: 1989
    Page Range: 319--320
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Hart, D R
    Type: Article
    In: The Canadian field-naturalist
    Volume: 103
    Issue: 3
    Date: 1989
    Page Range: 468--469
    Publication Info: Ottawa Ottawa Field-Naturalists' Club