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By: Vaurie, Charles - Koelz, Walter,Edition:Publication info: New York American Museum of Natural History [1951]Volume: no.1529 (1951)Series:Holding Institution: American Museum of Natural History LibrarySubjects: 1895-1989 59.88,1H(5W) Asia Asia, Central Birds Classification Feathers Koelz, Walter, Middle East Molting Natural history collections South Asia SwallowsBHL Collections: