31. Local Mutagenesis: A Method for Generating Viral Mutants with Base Substitutions in Preselected Regions of the Viral Genome

Date:

May 1978

32. Letter from Daniel Nathans to Paul Berg

Date:

14 February 1978

33. The Recombinant DNA Act

Date:

13 February 1978

34. Letter from Paul Berg to Daniel Nathans

Date:

6 February 1978

35. Draft of letter on recombinant DNA legislation (with edits by Daniel Nathans)

Date:

[February 1978]

36. Letter from Paul Berg to Daniel Nathans

Date:

13 September 1977

37. Draft of letter on recombinant DNA legislation (with edits by Daniel Nathans)

Date:

[September 1977]

38. Testimony before the House Subcommittee on Science, Research, and Technology. March 30, 1977. Daniel Nathans, Professor and Director, Department of Microbiology, Johns Hopkins University School of Medicine

Date:

30 March 1977

39. Letter from U.S. Representative Ray Thornton to Daniel Nathans

Date:

18 March 1977

40. Letter from Daniel Nathans to Ernest Winocour

Date:

23 February 1977