Callery, J.-M. Tʻai pʻing tʻien kuo chʻu chʻi chi shih, 1982 t.p. (Yüeh O-kʻo-sen-fo)
Macfarren, G.A. Robin Hood [SR] p2011 container (John Oxenford (1812-1877); librettist)
Grove music online, Mar. 7, 2012 (Oxenford, John; b. Aug. 12, 1812, Camberwell, London, d. Feb. 21, 1877, Southwark, London; English dramatist, librettist, and critic)