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 of A.E. Warner mark and biographical information, p. 431Book: McGrew, John R. 2004 Manufacturers' Marks on American Coin Silver. 176.
• Description of T. & A. E. Warner mark with background information, p. 110Book: McGrew, John R. 2004 Manufacturers' Marks on American Coin Silver. 176.
• Description of Andrew Ellicott Warner mark with background information, p. 110Book: McGrew, John R. 2004 Manufacturers' Marks on American Coin Silver. 176.
• Description of Thomas Warner mark with background information, p. 110Book: Ensko, Stephen G. C. 1948 American Silversmiths and Their Marks III. 285 p.
• Example of mark with some background information, p. 238Book: 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 mark for A. E. Warner and some background information, p 147