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By: Vaurie, CharlesEdition:Publication info: New York, N.Y, American Museum of Natural History, [1956]Volume: no. 1805Series:Holding Institution: American Museum of Natural History LibrarySubjects: 59.82(403) 59.88,1E(403) Classification Emberiza Emberizidae Fringillidae Longspurs PlectrophenaxBHL Collections: