31. Lab notes on determining fragments made by Hind on SV 40 DNA

Date:

[24-28 November 1970]

32. Lab notes on identifying SV 40 proteins in infected cells

Date:

[September-December 1969]

33. Lab notes on transformation of BALB 3T3

Date:

[9-21 March 1971]

34. Letter from Daniel Nathans to Aaron J. Shatkin

Date:

23 January 1975

35. Letter from Daniel Nathans to Antonio M. Persico

Date:

15 January 1992

36. Letter from Daniel Nathans to Bernard Weisblum

Date:

11 December 1973

37. Letter from Daniel Nathans to Byron Lane

Date:

7 November 1984

38. Letter from Daniel Nathans to David C. Ward

Date:

24 June 1971

39. Letter from Daniel Nathans to David C. Ward

Date:

25 January 1971

40. Letter from Daniel Nathans to David C. Ward

Date:

22 February 1971