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  1. By: Birckhead, Hugh. - Carter, T. Donald (Thomas Donald), - Sage West China Expedition (1934) - Sage, Anna Parker - Sage, Dean, - Sheldon, William G.
    Publication info: 1937
    Holding Institution: American Museum of Natural History Library
  1. By: Sheldon, William G.
    Type: Article
    In: The Wilson bulletin
    Volume: 73
    Issue: 2
    Date: 1961
    Page Range: 126--139
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-