found: Odes, sonnets & lyrics of John Keats, 1924:p. xix (port. of Keats after a drawing ascribed to Joseph Severn's daugher, Mrs. Newton)
found: DNB:v. 17, p. 1217 (under Severn, Joseph: daughter Ann Mary, afterwards married to Sir Charles Newton) v. 14, p. 365 (Newton, Ann Mary, painter, b. Rome June 29, 1832; married Mr. (afterwards Sir) Charles Thomas Newton, 1861; d. Jan. 2, 1866)
found: Thieme-Becker(Newton, Mary (Ann M.)
found: Bénézit(Newton, Mary or Ann Mary)
found: Bryan(Newton, Mary (Mrs. Charles T.))