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By: Short, Lester L. - Unger, Jacob.Edition:Publication info: New York, N.Y, American Museum of Natural History, c1976Volume: no. 2597Series:Holding Institution: American Museum of Natural History LibrarySubjects: Birds Catalogs and collections Chaco Boreal (Paraguay and Bolivia) Natural history collections New York New York (State) Paraguay Unger, JacobBHL Collections: