1. Letter from Vincent G. Allfrey to Joshua Lederberg Publication: Produced: 9 April 1980 Subject(s): CarcinogensDNA Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Pope A. Lawrence Papers Publication: Produced: 1924-1983 Subject(s): CarcinogensEnvironmental HealthNeoplasmsRadiologic HealthNational Cancer Institute (U.S.)United States. Environmental Protection AgencyUnited States. Public Health Service