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  1. Oswald Heer : notice biographique /
    By: Zeiller, R.
    Publication info: S.l. :s.n.,188-?
    Contributed by: Smithsonian Libraries
    Subjects: 1809-1883  Biography  Heer, Oswald,  Paleobotanists  Paleontologists  Switzerland  
    BHL Collections: Smithsonian Institution Libraries
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