1. Letter from Debi P. Burma to Maxine Singer

Date:

12 August 1970

2. Letter from Debi P. Burma to Maxine Singer

Date:

28 September 1970

3. Letter from Debi P. Burma to Maxine Singer

Date:

11 May 1971

4. Letter from Debi P. Burma to Maxine Singer

Date:

[18-19 September 1973]

5. Summary of Significant Accomplishments of the PL.480 Project 01-062-1 'Physiological Role of Bacterial Ribonucleases'

Date:

[October 1973]

6. Summary of Significant Findings of the PL 480 Project 01-062-1 'Physiological Role of Bacterial Ribonucleases' (Revised)

Date:

8 October 1973