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The birds of the Rio Madeira.
Publication info:
London,Novitates Zoologicae,1910.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. including all species and subspecies known to occur in North America, Mexico, Central America, South America, the West Indies, and islands of the Caribbean Sea, the Galapagos Archipelago, and other is by Charles E. Hellmayr and Boardman Conover.
Publication info:
Chicago :Field Museum of Natural History,1918.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. Charles E. Hellmayr, Boardman Conover.
Publication info:
Chicago :Field Museum of Natural History,1948.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles E. Hellmayr.
Publication info:
Chicago :Field Museum of Natural History,1929.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles E. Hellmayr and Boardman Conover.
Publication info:
Chicago :Field Museum of Natural History,1949.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles E. Hellmayr.
Publication info:
Chicago :Field Museum of Natural History,1938.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. Charles E. Hellmayr, Boardman Conover.
Publication info:
Chicago :Field Museum of Natural History,1948.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles E. Hellmayr.
Publication info:
Chicago :Field Museum of Natural History,1934.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles E. Hellmayr.
Publication info:
Chicago :Field Museum of Natural History,1935.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles E. Hellmayr.
Publication info:
Chicago :Field Museum of Natural History,1936.
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Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. initiated by Charles B. Cory, continuded by Charles E. Hellmayr.
Publication info:
Chicago :Field Museum of Natural History,1927.
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Paridae, Sittidae und Certhiidae, bearbeitet von C. E. Hellmayr ... Mit 76 abbildungen.
Publication info:
Berlin,R. Friedländer und Sohn,1903.
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