Book: Belden, Louise C. 1980 Marks of American Silversmiths in the Ineson-Bissell Collection. 506 p.
• Example marks, brief background information, sources, p. 35, Fig. b/dBook: Ensko, Stephen G. C. 1948 American Silversmiths and Their Marks III. 285 p.
• Information on Thomas Arnold and example mark, p. 237Book: Flynt, Henry N. & Fales, Martha Gandy. 1968 The Heritage Collection of Silver: With Biographical Sketches of New England Silversmiths, 1625-1825. 391 p.
• Information on Thomas Arnold, p. 146Book: Belden, Louise C. 1980 Marks of American Silversmiths in the Ineson-Bissell Collection. 506 p.
• An illustrated glossary of spoon terms, pp. 467-488