Surtees, V. The Ludovisi goddess, 1984 p. 1, etc. (William Bingham, second Lord Ashburton; Ashburton, William Bingham Baring, 2nd Baron; d. 3/23/1852 or 1853)
Burke's peerage (Ashburton, William Bingham (Baring), Baron Ashburton, b. 6/1799; d. 3/23/1864)