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  1. By: Collias, Nicholas E. (Nicholas Elias),
    Type: Article
    In: Scopus
    Volume: 2
    Date: 1978
    Page Range: 101--101
    Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,
  2. By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.
    Type: Article
    In: The Wilson bulletin
    Volume: 110
    Issue: 1
    Date: 1998
    Page Range: 28--44
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.
    Type: Article
    In: The Wilson bulletin
    Volume: 75
    Issue: 1
    Date: 1963
    Page Range: 6--14
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Collias, Nicholas E. (Nicholas Elias),
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 35
    Issue: 6
    Date: 1950-08-01
    Page Range: 97--119
    Publication Info: New York,
  5. By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.
    Type: Article
    In: Scopus
    Volume: 2
    Date: 1978
    Page Range: 75--76
    Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,
  6. By: Collias, Nicholas E. (Nicholas Elias), - Collias, Elsie C.
    Type: Article
    In: Scopus
    Volume: 5
    Date: 1981
    Page Range: 61--65
    Publication Info: Nairobi, East Africa Natural History Society's Ornithological Sub-committee,