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New York times WWW site, viewed Mar. 13, 2017
(in obituary published Mar. 12: John Surtees; b. Feb. 11, 1934, Tatsfield; d. Friday [Mar. 10, 2017], London, aged 83; won seven world motorcycle championships, then switched to auto racing and captured the 1964 Formula One points title, becoming the only racer to hold both two- and four-wheel world crowns)