1. Human Impact of Advance in Biological Science [Statement before the Senate Subcommittee on Government Research] Publication: Produced: 28 March 1968 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Human Impact of Advance in Biological Science [Statement before the Senate Subcommittee on Government Research] Publication: Produced: 8 March 1968 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)