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Start Over Formats Still image ✖Remove constraint Formats: Still image Languages English ✖Remove constraint Languages: English Publication Year 1960 to 1969 ✖Remove constraint Publication Year: <span class="from" data-blrl-begin="1960">1960</span> to <span class="to" data-blrl-end="1969">1969</span>

11. Letter from Lyndon B. Johnson to Joshua Lederberg

Publication:
Produced: 26 August 1960
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

15. Letter from John F. Kennedy to Joshua Lederberg

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

16. Genetic code chart

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

17. 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)

18. 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)