1. Expression of the Thymidylate Synthetase Gene of the Bacillus subtilis Bacteriopahge Phi-3-T in Escherichia coli Publication: National Academy of Sciences (U.S.), November 1976 Subject(s): Extrachromosomal InheritanceGenetic EngineeringGenes Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Arthur J. Walker to Francis Crick, Leslie Barnett, Sydney Brenner, and R. J. Watts-Tobin Publication: Produced: 1 February 1962 Subject(s): GeneticsEnvironmentGenesGenetic Engineering Archival Collection: The Marshall W. Nirenberg Papers (Profiles in Science)
