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  1. By: Joy, Norman H. (Norman Humbert)
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 18
    Date: 1906
    Page Range: 276--276
    Publication Info: [London s.n
  2. By: Joy, Norman H. (Norman Humbert)
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 19
    Date: 1907
    Page Range: 133--136
    Publication Info: [London s.n
  3. By: Joy, Norman H. (Norman Humbert)
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 20
    Date: 1908
    Page Range: 91--91
    Publication Info: [London s.n
  4. By: Joy, Norman H. (Norman Humbert)
    Type: Article
    In: Transactions of the Entomological Society of London
    Volume: 58
    Date: 1910
    Page Range: 379--385
    Publication Info: London, The Society,