Roger Penrose collected works [6 volume set] - Penrose, Roger (Oxford Oxford University Press, 2011)
Contents: v. 1. 1953-1967 -- v. 2. 1968-1975 -- v. 3. 1976-1980 -- v. 4. 1981-1989 -- v. 5. 1990-1996 -- v. 6. 1997-2003.
Keywords: Mathematics