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  1. By: Voeltzkow, Alfred, - Hermann und Elise geb. Heckmann Wentzel-stiftung.
    Publication info: Stuttgart, E. Schweizerbartsche Verlagsbuchhandlung, 1906- 1923
    Holding Institution: Smithsonian Libraries
  1. By: Voeltzkow, Alfred,
    Type: Article
    In: Zoologische Jahrbücher
    Volume: 5
    Date: 1891
    Page Range: 619--628
    Publication Info: Jena [Germany], G. Fischer,
  2. By: Voeltzkow, Alfred,
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 9
    Series: 6
    Date: 1892
    Page Range: 66--72
    Publication Info: London Taylor and Francis, Ltd