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  1. By: Busch, Wilhelm,
    Publication info: Berlin, A. Hirschwald, 1851
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Busch, Wilhelm,
    Publication info: Berolini, Typis Gustavi Schade, [1848]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  3. By: Busch, Wilhelm,
    Publication info: Berolini, Typis Gustavi Schade, [1848]
    Holding Institution: University Library, University of Illinois Urbana Champaign