Não informado. (2001). Annual report of the Philadelphia Museums. Philadelphia Museums.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Philadelphia Museums. Philadelphia, Pa: Philadelphia Museums, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Philadelphia Museums. Philadelphia Museums, 2001.
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