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  1. By: Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
  2. By: Koelz, Walter,
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  3. By: Koelz, Walter,
    Publication info: New York American Museum of Natural History [1950]
    Holding Institution: American Museum of Natural History Library
  4. By: Koelz, Walter,
    Publication info: 1950
    Holding Institution: American Museum of Natural History Library
  5. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1949
    Holding Institution: American Museum of Natural History Library
  6. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1950]
    Holding Institution: American Museum of Natural History Library
  7. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1950
    Holding Institution: American Museum of Natural History Library
  8. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York American Museum of Natural History [1951]
    Holding Institution: American Museum of Natural History Library
  9. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  10. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York American Museum of Natural History [1950]
    Holding Institution: American Museum of Natural History Library
  11. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1950
    Holding Institution: American Museum of Natural History Library
  12. By: Koelz, Walter, - Marien, Daniel, ornithologist.
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  13. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
  14. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1949
    Holding Institution: American Museum of Natural History Library
  15. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
  16. By: Koelz, Walter, - Marien, Daniel, ornithologist.
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  17. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1949
    Holding Institution: American Museum of Natural History Library
  18. By: Vaurie, Charles - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
  19. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  20. By: Koelz, Walter, - Vaurie, Charles
    Publication info: 1951
    Holding Institution: American Museum of Natural History Library
  21. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1952]
    Holding Institution: American Museum of Natural History Library
  22. By: Koelz, Walter, - Marien, Daniel, ornithologist.
    Publication info: 1952
    Holding Institution: American Museum of Natural History Library
  1. By: Koelz, Walter,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 52
    Date: 1939
    Page Range: 61--82
    Publication Info: Washington, Biological Society of Washington,
  2. By: Koelz, Walter,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 47
    Date: 1947
    Page Range: 128--142
    Publication Info: Bombay Bombay Natural History Society 1886-
  3. By: Koelz, Walter,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 43
    Date: 1942
    Page Range: 11--33
    Publication Info: Bombay Bombay Natural History Society 1886-
  4. By: Koelz, Walter,
    Type: Article
    In: The Wilson bulletin
    Volume: 41
    Issue: 4
    Date: 1929
    Page Range: 207--219
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  5. By: Koelz, Walter,
    Type: Article
    In: The Wilson bulletin
    Volume: 35
    Issue: 1
    Date: 1923
    Page Range: 37--40
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  6. By: Koelz, Walter,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 52
    Date: 1939
    Page Range: 121--122
    Publication Info: Washington, Biological Society of Washington,