1. Draft of letter on recombinant DNA legislation (with edits by Daniel Nathans) Publication: Produced: [February 1978] Subject(s): DNA, RecombinantLegislation as Topic Archival Collection: The Daniel Nathans Papers (Profiles in Science)
2. Draft of letter on recombinant DNA legislation (with edits by Daniel Nathans) Publication: Produced: [September 1977] Subject(s): DNA, RecombinantLegislation as Topic Archival Collection: The Daniel Nathans Papers (Profiles in Science)