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  1. Birds of the Crane Pacific expedition, by Ernst Mayr and Sidney Camras.
    By: Mayr, Ernst, - Camras, Sidney, - Crane Pacific expedition of Field Museum of Natural History,
    Publication info: Chicago,Field Museum of Natural History,1938.
    Contributed by: University of Illinois Urbana Champaign
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  2. The species problem; a symposium presented at the Atlanta meeting of the American Association for the Advancement of Science, December 28-29, 1955. Edited by Ernst Mayr.
    By: American Association for the Advancement of Science. - Mayr, Ernst,
    Publication info: Washington,1957.
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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