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.
• Information on G. W. & N. C. Platt and example mark, p. 340Book: Darling, Herbert. 1964 New York State Silversmiths. 228 p.
• Brief work history on G. W. & N. C. Platt and individual members, p. 142