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NOTE: This article appeared under the headline, "The Carbon Monoxide Menace", in the Sunday, June 8, 1969 edition of The San Francisco Chronicle. It also appeared under the headline, "Carbon Monoxide: Its Fate, Future", in the Monday, June 2, 1969 edition of The Oak Ridge, Tennessee Oak Ridger.
Periodical. Lederberg, Joshua. "A Cloud of Questions Hovers Around Carbon Monoxide." Washington Post, (31 May 1969). Article. Newspaper Column. 1 Image.. Washington Post. Lederberg UI. S153