found: His The laughable looking glass for little folks, 1855: t.p. (Newman, one of the writers in Punch)
found: Houfe, S. Dict. of Brit. book ill., 1981 (Newman, William, fl. 1842-1864; comic artist, much employed by Punch 1846-1850; believed to have emigrated to the U.S. in the early 1860s)
found: RLIN database, 8/10/93 (hdg.: Newman, William)
found: Moveable shadows for the people, 1859: t.p. (W. Newman (of Punch))
found: Brown, J.E. William Newman, 2008: cover, p. [4] (William Newman, a founding cartoonist of Punch and chief cartoonist for Frank Leslie's budget of fun during the Civil War) p. 11 (b. 17 Oct. 1817 in London) p. 38 (emigrated to U.S. in 1860) p. 72 (d. 19 July 1870 in Brooklyn, N.Y.)