Sotheby`s <New York>. (1990). Fine dolls, Teddy Bears, Automata, Timplate Toys, European Costume, Textiles and Mechanical Musical Instruments.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSotheby`s <New York>. Fine Dolls, Teddy Bears, Automata, Timplate Toys, European Costume, Textiles and Mechanical Musical Instruments. New York, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSotheby`s <New York>. Fine Dolls, Teddy Bears, Automata, Timplate Toys, European Costume, Textiles and Mechanical Musical Instruments. 1990.
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