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  1. By: Hering, Eduard M - Freyer, C T
    Type: Article
    In: Entomologische Zeitung
    Volume: 17
    Date: 1856
    Page Range: 191--192
    Publication Info: [Stettin Entomologischer Verein zu Stettin 1840-1911]
  2. By: Freyer, C T
    Type: Article
    In: Entomologische Zeitung
    Volume: 21
    Date: 1860
    Page Range: 414--417
    Publication Info: [Stettin Entomologischer Verein zu Stettin 1840-1911]