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Start Over Copyright Public domain ✖Remove constraint Copyright: Public domain Publication Year 1986 ✖Remove constraint Publication Year: <span class="single" data-blrl-single="1986">1986</span>

21. Letter from Joshua Lederberg to Barton Childs

Publication:
Produced: 2 June 1986
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

22. Letter from Joshua Lederberg to Barton Childs

Publication:
Produced: 20 June 1986
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

23. Letter from Joshua Lederberg to Barton Childs

Publication:
Produced: 29 July 1986
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

26. Letter from Joshua Lederberg to William R. Graham

Publication:
Produced: 23 July 1986
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

27. Letter from Joshua Lederberg to Barbara MacKinnon

Publication:
Produced: 27 June 1986
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

28. Letter from Joshua Lederberg to George Wald

Publication:
Produced: 29 December 1986
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)

30. A Definition of Biology

Publication:
Produced: 13 May 1986
Archival Collection:
The Joshua Lederberg Papers (Profiles in Science)