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  1. By: Verbeek, Nicolaas A. M.
    Type: Article
    In: The Wilson bulletin
    Volume: 79
    Issue: 2
    Date: 1967
    Page Range: 208--218
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Butler, Robert W. (Robert William), - Verbeek, Nicolaas A. M. - Richardson, Howard
    Type: Article
    In: The Wilson bulletin
    Volume: 96
    Issue: 3
    Date: 1984
    Page Range: 408--418
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Verbeek, Nicolaas A. M.
    Type: Article
    In: The Wilson bulletin
    Volume: 89
    Issue: 3
    Date: 1977
    Page Range: 415--421
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Verbeek, Nicolaas A. M.
    Type: Article
    In: The Wilson bulletin
    Volume: 87
    Issue: 2
    Date: 1975
    Page Range: 231--240
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  5. By: Verbeek, Nicolaas A. M.
    Type: Article
    In: The Wilson bulletin
    Volume: 110
    Issue: 4
    Date: 1998
    Page Range: 483--488
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  6. By: McKelvey, Richard W. - Verbeek, Nicolaas A. M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 102
    Issue: 3
    Date: 1988
    Page Range: 434--441
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  7. By: Butler, Robert W. (Robert William), - Verbeek, Nicolaas A. M. - Foottit, Robert George
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 3
    Date: 1980
    Page Range: 315--320
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  8. By: Ritcey, Ralph W. - Verbeek, Nicolaas A. M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 4
    Date: 1969
    Page Range: 339--343
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  9. By: Verbeek, Nicolaas A. M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 2
    Date: 1974
    Page Range: 233--234
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  10. By: Verbeek, Nicolaas A. M.
    Type: Article
    In: The Wilson bulletin
    Volume: 91
    Issue: 4
    Date: 1979
    Page Range: 575--582
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  11. By: Verbeek, Nicolaas A. M.
    Type: Article
    In: The Wilson bulletin
    Volume: 91
    Issue: 3
    Date: 1979
    Page Range: 420--425
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-