found: Thacher, J. American medical biography, 1828:plate (Edwin; engraver)
found: Groce, G. N.Y. Hist. Soc. dict. of artists in Amer., 1957(Edwin, David, 1776-1841; stipple engraver)
found: Stauffer, D. Amer. engravers upon copper and steel(Edwin, David, born Bath, England, 1776, apprenticed to Dutch engraver C. Jossi in London and in Holland, moved to Philadelphia in December 1797, died there Feb. 22 1841)
found: Ramsay, D. The life of George Washington, 1811:frontis. (D. Edwin sc.)
found: MWA/NAIP files(hdg.: Edwin, David, 1776-1841)