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  1. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 9
    Date: 1938-12
    Page Range: 136--136
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 3
    Date: 1938-03
    Page Range: 45--46
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 2
    Date: 1938-02
    Page Range: 30--30
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 46
    Issue: 2
    Date: 1932-02
    Page Range: 50--50
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 46
    Issue: 2
    Date: 1932-02
    Page Range: 50--50
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 55
    Issue: 3
    Date: 1941-03
    Page Range: 45--45
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 45
    Issue: 3
    Date: 1931-03
    Page Range: 72--72
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 56
    Issue: 7
    Date: 1942-10
    Page Range: 114--114
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  9. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 50
    Issue: 5
    Date: 1936-05
    Page Range: 93--93
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  10. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 9
    Date: 1938-12
    Page Range: 136--136
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  11. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 3
    Date: 1938-03
    Page Range: 46--46
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  12. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 2
    Date: 1938-02
    Page Range: 30--30
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  13. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 46
    Issue: 3
    Date: 1932-03
    Page Range: 69--69
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  14. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 3
    Date: 1938-03
    Page Range: 46--46
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  15. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 52
    Issue: 2
    Date: 1938-02
    Page Range: 30--30
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  16. By: Leechman, Douglas
    Type: Article
    In: The Canadian field-naturalist
    Volume: 49
    Issue: 6
    Date: 1935-09
    Page Range: 110--110
    Publication Info: Ottawa Ottawa Field-Naturalists' Club