1. Letter from Burke K. Zimmerman, Environmental Defense Fund to David Mathews, Department of Health, Education, and Welfare Publication: Produced: 11 November 1976 Subject(s): Public PolicyDNA, Recombinant Archival Collection: The Donald S. Fredrickson Papers (Profiles in Science)
2. Letter from Alan McGowan, Scientists' Institute for Public Information to Burke K. Zimmerman, Environmental Defense Fund, Inc. Publication: Produced: 5 November 1976 Subject(s): DNA, RecombinantPublic Policy Archival Collection: The Donald S. Fredrickson Papers (Profiles in Science)
3. Summary of the Proposed Guidelines for Research on Recombinant DNA Molecules Publication: Produced: 27 February 1976 Subject(s): Public PolicyPractice Guidelines as TopicDNA, RecombinantContainment of Biohazards Archival Collection: The Donald S. Fredrickson Papers (Profiles in Science)