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  1. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 90
    Issue: 4
    Date: 1976
    Page Range: 513--513
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 1
    Date: 1972
    Page Range: 1--2
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 93
    Issue: 1
    Date: 1979
    Page Range: 101--102
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Groves, J. Walton (James Walton), - Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 67
    Issue: 3
    Date: 1953
    Page Range: 95--102
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  5. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 2
    Date: 1972
    Page Range: 177--180
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 1
    Date: 1969
    Page Range: 69--69
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 3
    Date: 1985
    Page Range: 464--464
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 89
    Issue: 2
    Date: 1975
    Page Range: 208--209
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  9. By: Groves, J. Walton (James Walton), - Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 68
    Issue: 1
    Date: 1954
    Page Range: 1--8
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  10. By: Groves, J. Walton (James Walton), - Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 69
    Issue: 2
    Date: 1955
    Page Range: 44--51
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  11. By: Groves, J. Walton (James Walton), - Thomson, Sheila C. - Pantidou, Maria
    Type: Article
    In: The Canadian field-naturalist
    Volume: 72
    Issue: 3
    Date: 1958
    Page Range: 133--138
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  12. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 1
    Date: 1974
    Page Range: 87--87
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  13. By: Thomson, Sheila C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 82
    Issue: 4
    Date: 1968
    Page Range: 298--298
    Publication Info: Ottawa Ottawa Field-Naturalists' Club