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  1. By: Bernstein, Heinrich Agathon,
    Publication info: Vratislaviae, typis Grassii Barthii et soc. (W.Friedrich), [1853]
    Holding Institution: Smithsonian Libraries and Archives
  1. By: Bernstein, Heinrich Agathon, - Martens, Eduard von,
    Type: Article
    In: Journal für Ornithologie
    Volume: 14
    Date: 1866
    Page Range: 130--143
    Publication Info: Berlin, Friedländer,