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  1. The changes of plumage in the dunlin and sanderling. Bulletin of the AMNH ; v. 8, article 1
    By: Chapman, Frank M.
    Publication info: New York : Published by order of the Trustees, American Museum of Natural History 1896
    Contributed by: American Museum of Natural History Library
    Subjects: 1814-1897  Calidris alba  Calidris alpina  Color  Feathers  Gätke, Heinrich,  Molting  Sandpipers  
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  2. The migration of birds; a consideration of Herr Gätke's views, by F.B. Whitlock.
    By: Whitlock, F. B.
    Publication info: London,R.H. Porter,1897.
    Contributed by: Smithsonian Libraries
    Subjects: 1814-1897  Birds  Gätke, Heinrich,  Migration  
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