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  1. Med tranorna till Afrika.
    By: Berg, Bengt Magnus Kristoffer,
    Publication info: Stockholm,P.A. Norstedt & söner[1922]
    Holding Institution: American Museum of Natural History Library
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  2. Sa¨llsynta fa°glar
    By: Berg, Bengt Magnus Kristoffer,
    Publication info: Stockholm,P. A. Norstedt & söner[1916-1919]
    Holding Institution: American Museum of Natural History Library
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