^R. F. Schwartz, How Britain Got the Blues: the Transmission and Reception of American Blues Style in the United Kingdom (Aldershot: Ashgate, 2007), ISBN0-7546-5580-6, p. 28.
^R. F. Schwartz, How Britain Got the Blues: the Transmission and Reception of American Blues Style in the United Kingdom (Aldershot: Ashgate, 2007), p. 22.
^M. Brocken, The British Folk Revival, 1944-2002 (Aldershot: Ashgate, 2003), pp. 69-80.
^L. Portis, Soul Trains (Virtualbookworm Publishing, 2002), p. 213.
^V. Bogdanov, C. Woodstra, S. T. Erlewine, eds, All Music Guide to the Blues: The Definitive Guide to the Blues (Backbeat, 3rd edn., 2003), p. 700.