The bicentenary of Newton's death, 1927 caption (The Lord Bishop of Birmingham, Dr. E.W. Barnes)
LoC catalog, viewed Dec. 20, 2007 (heading: Barnes, Ernest William, Bp. of Birmingham, 1874- )
OCLC, viewed Dec. 19, 2007 (heading: Barnes, E. W. (Ernest William), Bp. of Birmingham ; Barnes, Ernest William ; Bishop of Birmingham, 1874-1953)
Wikipedia, viewed Dec. 19, 2007 (heading: Ernest William Barnes, b. April 1, 1874, made Bishop of Birmingham in 1924, d. November 29, 1953) was an English mathematician and scientist who later became a theologian and bishop.