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  1. By: Duckworth, Arthur
    Type: Article
    In: Journal and proceedings of the Royal Society of New South Wales
    Volume: 41
    Date: 1907
    Page Range: 190--195
    Publication Info: Sydney C. Potter, Acting. Govt. Printer 1877-
  2. By: Duckworth, Arthur
    Type: Article
    In: Journal and proceedings of the Royal Society of New South Wales
    Volume: 44
    Date: 1910
    Page Range: 226--251
    Publication Info: Sydney C. Potter, Acting. Govt. Printer 1877-
  3. By: Duckworth, Arthur
    Type: Article
    In: Journal and proceedings of the Royal Society of New South Wales
    Volume: 44
    Date: 1910
    Page Range: 480--494
    Publication Info: Sydney C. Potter, Acting. Govt. Printer 1877-