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  1. Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. by Charles E. Hellmayr and Boardman Conover. part 1, no. 4. Cathartidae - Accipitridae -- Pandionidae -- Falconidae /
    By: Hellmayr, C. E. - Conover, Boardman,
    Publication info: Chicago :Field Museum of Natural History,1949.
    Contributed by: University of Illinois Urbana Champaign
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  2. Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. part 1, no. 3. Jacanidae - Rostratulidae - Haematopodidae - Charadridae - Scolopacidae - Recurvirostridae - Phalaropodidae - Burhinidae - Thinocoridae - Chionididae - Stercoraridae - Laridae - Rynchopidae - Alcidae
    By: Hellmayr, C. E. - Conover, Boardman,
    Publication info: Chicago :Field Museum of Natural History,1948.
    Contributed by: University of Illinois Urbana Champaign
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  3. 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 islands which may properly be included on account of their faunal affinities / part 2, no. 1. Family Bubonide, Family Todidae, Family Tytonidae, Momotide, Family Psittacidae, Family Nyctibiidae, Family Steatornithidae, Family Caprimulgidae, Family Alcedinidae, Family Cypselidae :
    By: Hellmayr, C. E. - Conover, Boardman,
    Publication info: Chicago :Field Museum of Natural History,1918.
    Contributed by: University of Illinois Urbana Champaign
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  4. Catalogue of birds of the Americas and the adjacent islands in Field Museum of Natural History. part 1, no. 2. Spheniscidae - Gaviidae - Colymbidae - Diomedeidae - Procellariidae - Hydrobatidae - Pelecanoididae - Phaethontidae - Pelecanidae - Sulidae - Phalacrocoracidae - Anthingidae - Fregatidae - Ardeidae -
    By: Hellmayr, C. E. - Conover, Boardman,
    Publication info: Chicago :Field Museum of Natural History,1948.
    Contributed by: University of Illinois Urbana Champaign
    View Book