1. Memorandum from Joshua Lederberg to Carolyn Kopp, Rockefeller Archive Center Creator: Lederberg, Joshua Date: 8 March 1982 Genre: Memorandums
2. Memorandum from Joshua Lederberg to Rodney W. Nichols Creator: Lederberg, Joshua Date: 6 December 1980 Genre: Memorandums
3. Memorandum from Joshua Lederberg [on lunch with Lester Breslow] Creator: Lederberg, Joshua Date: 25 April 1979 Genre: Memorandums
4. Memorandum from Joshua Lederberg [on Glouecke on composting] Creator: Lederberg, Joshua Date: 14 October 1975 Genre: Memorandums
5. Memorandum from Joshua Lederberg [on Dr. Sylvia Frank visit] Creator: Lederberg, Joshua Date: 31 October 1978 Genre: Memorandums
6. Memorandum from Joshua Lederberg to George M. Hahn Creator: Lederberg, Joshua Date: 28 July 1976 Genre: Memorandums
7. Memorandum from Joshua Lederberg to Attallah Kappas Creator: Lederberg, Joshua Date: 16 August 1979 Genre: Memorandums
8. Memorandum from Joshua Lederberg to Attallah Kappas Creator: Lederberg, Joshua Date: 8 April 1980 Genre: Memorandums
9. Memorandum from Joshua Lederberg to Attallah Kappas Creator: Lederberg, Joshua Date: 29 December 1980 Genre: Memorandums
10. Memorandum from Joshua Lederberg to Attallah Kappas Creator: Lederberg, Joshua Date: 16 December 1981 Genre: Memorandums