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  1. By: Freitag, Richard - Barnes, Barbara L
    Type: Article
    In: Quaestiones entomologicae
    Volume: 25
    Issue: 3
    Date: 1989
    Page Range: 241--386
    Publication Info: Edmonton, Dept. of Entomology, University of Alberta,
  2. By: Freitag, Richard
    Type: Article
    In: The Canadian field-naturalist
    Volume: 87
    Issue: 1
    Date: 1973
    Page Range: 62--62
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Kaulbars,Michael M. - Freitag, Richard
    Type: Article
    In: The Canadian field-naturalist
    Volume: 107
    Issue: 1
    Date: 1993
    Page Range: 53--58
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Lindroth, C. H. (Carl Hildebrand), - Freitag, Richard
    Type: Article
    In: Psyche
    Volume: 76
    Date: 1969
    Page Range: 326--361
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  5. By: Freitag, Richard
    Type: Article
    In: Quaestiones entomologicae
    Volume: 1
    Issue: 3
    Date: 1965
    Page Range: 87--170
    Publication Info: Edmonton, Dept. of Entomology, University of Alberta,
  6. By: Freitag, Richard
    Type: Article
    In: Quaestiones entomologicae
    Volume: 5
    Issue: 2
    Date: 1969
    Page Range: 89--211
    Publication Info: Edmonton, Dept. of Entomology, University of Alberta,