1. Letter from U.S. Representative Ray Thornton to Daniel Nathans Publication: Produced: 18 March 1977 Subject(s): DNA, RecombinantExpert Testimony Archival Collection: The Daniel Nathans Papers (Profiles in Science)
2. Letter from Charles Huttrer to Joshua Lederberg Publication: Produced: 28 July 1955 Subject(s): Expert TestimonyResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)