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  1. By: Hacker, Leopold P
    Type: Article
    In: Wiener entomologische Zeitung
    Volume: 7
    Date: 1888
    Page Range: 49--56
    Publication Info: Wien, E. Reitter [etc.],
  2. By: Hacker, Leopold P
    Type: Article
    In: Wiener entomologische Zeitung
    Volume: 18
    Date: 1899
    Page Range: 33--37
    Publication Info: Wien, E. Reitter [etc.],
  3. By: Rogenhöfer, Alois Friedrich - Hacker, Leopold P
    Type: Article
    In: Wiener entomologische Zeitung
    Volume: 7
    Date: 1888
    Page Range: 116
    Publication Info: Wien, E. Reitter [etc.],