Book: Howard, David Sanctuary. 1997 A Tale of Three Cities: Canton, Shanghai & Hong Kong.
• Pair of cloisonne elephants with small vases on backs, as possible inspiration for porcelain: p. 160, no. 207, noting porcelain versions were popular at the turn of the 19th century.Book: Sargent, William R. 1991 The Copeland Collection: Chinese and Japanese Ceramic Figures.
• Pair of elephants of somewhat similar model: pp. 196-197, no. 94, late 18th-early 19th century, discussing the Chinese meanings and usage of such objects,