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  1. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
  2. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
  3. By: Marien, Daniel, ornithologist. - Koopman, Karl F.
    Publication info: New York, N.Y, American Museum of Natural History, [1955]
    Holding Institution: American Museum of Natural History Library
  4. By: Marien, Daniel, ornithologist. - Koelz, Walter,
    Publication info: New York, American Museum of Natural History, [1952]
    Holding Institution: American Museum of Natural History Library