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6302. Letter from Joshua Lederberg to Jack Edman

6303. Fingerprints are Permanent from Third Month of Life

6304. Mars Germ Peril Cited by Expert

6305. The Moral Issue of Science is Lack of Science of Peace

6306. Invasion from Mars? Microbes!

6307. Dr. Lederberg Speaks Out on Biological Warfare Hazards

6309. Even Studies of Hiroshima Have Not Proved Mutations

6310. Letter from M. L. Morse to Joshua Lederberg