Several articles on Fischer are available from the Sports Illustrated archives such as:
January 23, 1961 detailing his win of the US Championship
September 14, 1962 about his match with Spassky
April 4, 2005 His release from a Japanese prison
January 28, 2008 article on his death
You can also search articles on Tahl, Botvinnik, Spassky and others from their site.