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  1. By: Simson, E C L
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 93
    Date: 1981
    Page Range: 30--35
    Publication Info: [London s.n
  2. By: Simson, E C L
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 93
    Date: 1981
    Page Range: 7--10
    Publication Info: [London s.n
  3. By: Simson, E C L
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 94
    Date: 1982
    Page Range: 45--46
    Publication Info: [London s.n
  4. By: Simson, E C L
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 99
    Date: 1987
    Page Range: 86--87
    Publication Info: [London s.n
  5. By: Simson, E C L
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 99
    Date: 1987
    Page Range: 123--123
    Publication Info: [London s.n