1911 Encyclopædia Britannica, Volume 21… (1911)
“ In 1843 he devised for the Philadelphia public schools a system of teaching drawing and penmanship. His portraits include those of President Jefferson, Mrs Madison, Commodores Perry, Decatur, and Bainbridge, Houdon, the sculptor, General Armstrong, and an equestrian portrait of General Washington, now in Independence Hall, Philadelphia. ”
