Sandra Blakeslee 1970 1971 "Millions on Coast Ignore Peril of a Cataclysmic Earthquake" - 28 Apr. 1971 The New York Times
Sandra Blakeslee 1970 1971 "Food Safety- A Worry in Era of Additives" - 9 Nov. 1969 "Challenge to Food Tests" - 10 Nov. 1969 The New York Times
