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Start Over Formats Still image ✖Remove constraint Formats: Still image Languages English ✖Remove constraint Languages: English Dates by Range 1950-1999 ✖Remove constraint Dates by Range: 1950-1999 Publication Year 1900 to 1999 ✖Remove constraint Publication Year: <span class="from" data-blrl-begin="1900">1900</span> to <span class="to" data-blrl-end="1999">1999</span>

166. Letter from John F. Kennedy to Joshua Lederberg

Publication:
Produced: 28 February 1961
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

167. Genetic code chart

Publication:
Produced: 18 January 1965
Subject(s):
Genetic Code
Archival Collection:
The Marshall W. Nirenberg Papers (Profiles in Science)

168. Second and last summary of the genetic code

Publication:
Produced: [Late 1965 or early 1966]
Subject(s):
Genetic Code
Archival Collection:
The Marshall W. Nirenberg Papers (Profiles in Science)

169. First summary of the genetic code

Publication:
Produced: 18 January 1965
Subject(s):
Genetic Code
Archival Collection:
The Marshall W. Nirenberg Papers (Profiles in Science)