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  1. By: Soper, James H. - Heimburger, Margaret L. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, c1982
    Holding Institution: Royal Ontario Museum
  1. By: Soper, James H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 59
    Issue: 4
    Date: 1945
    Page Range: 135--135
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Soper, James H.
    Type: Article
    In: American fern journal
    Volume: 44
    Date: 1954
    Page Range: 129--147
    Publication Info: [Washington, etc.] American Fern Society
  3. By: Soper, James H.
    Type: Article
    In: Rhodora
    Volume: 54
    Date: 1952
    Page Range: 57--67
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  4. By: Soper, James H.
    Type: Article
    In: Rhodora
    Volume: 43
    Date: 1941
    Page Range: 82--83
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  5. By: Soper, James H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 2
    Date: 1985
    Page Range: 287--288
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  6. By: Soper, James H. - Bousfield, E. L. (Edward Lloyd)
    Type: Article
    In: The Canadian field-naturalist
    Volume: 96
    Issue: 1
    Date: 1982
    Page Range: 92--97
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Soper, James H. - Cody, William J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 92
    Issue: 3
    Date: 1978
    Page Range: 299--304
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Soper, James H. - Dore, W G - Boraiah, G.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 77
    Issue: 4
    Date: 1963
    Page Range: 220--225
    Publication Info: Ottawa Ottawa Field-Naturalists' Club