天国と地獄 (随筆)
The Doors of Perception and Heaven and Hell, 1954, 1956, Harper & Brothers 1977 Harpercollins (UK), mass market paperback: ISBN 0-586-04437-X 1990 Harper Perennial edition: ISBN 0-06-090007-5 2004 Harper Modern Classics edition: ISBN 0-06-059518-3 2004 Sagebrush library binding: ISBN 1-4176-2859-6