Book: Belden, Louise C. 1980 Marks of American Silversmiths in the Ineson-Bissell Collection. 506 p.
• An illustrated glossary of spoon terms, pp. 467-488Book: Belden, Louise C. 1980 Marks of American Silversmiths in the Ineson-Bissell Collection. 506 p.
• Example marks, brief background information, sources, p. 435-436Book: Currier, Ernest M. 1938 Marks of Early American Silversmiths: With Notes on Silver, Spoon Types & List of New York City Silversmiths 1815-1841. 179 p.
• Example of marks and some background information, p. 148Book: Rainwater, Dorothy T. & Redfield, Judy. 1998 Encyclopedia of American Silver Manufacturers. 418 p.
• Biographical information on H.L. Webster & Co., p. 362Book: Rainwater, Dorothy T. & Redfield, Judy. 1998 Encyclopedia of American Silver Manufacturers. 418 p.
• Information on Gorham Corporation, pp. 127-131