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  1. Birds in flight,
    By: Pycraft, W. P., - Green, Roland,
    Publication info: London,Gay & Hancock,1922.
    Contributed by: Cornell University Library
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  2. The British bird book /
    By: Wood, Theodore, - Green, Roland, - Pycraft, W. P.,
    Publication info: London :A. & C. Black,1921.
    Contributed by: Cornell University Library
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