Baker, T. Baker's biog. dict. of musicians, c1984 p. 2504 (Williams, John; remarkable guitarist; b. Melbourne, Australia, Apr. 24, 1941; in addition to classical music, plays pop music and jazz)
Wikipedia, Sept. 6, 2012 John Williams (guitarist) (John Christopher Williams; born April 24, 1941; Australian classical guitarist, and a long-term resident of the United Kingdom; born Melbourne, Australia)