1. Letter from Leon A. Heppel to Maxine Singer Publication: Produced: 27 October 1955 Subject(s): Fellowships and Scholarships Archival Collection: The Maxine Singer Papers (Profiles in Science)
2. Letter from Fred L. Soper to Pedro Galindo Publication: Produced: 24 May 1966 Subject(s): Yellow FeverFellowships and Scholarships Archival Collection: The Fred L. Soper Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Ira L. Baldwin Publication: Produced: 28 July 1952 Subject(s): Fellowships and Scholarships Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Alan Gregg to A. Warren Stearns Publication: Produced: 23 December 1953 Subject(s): Fellowships and Scholarships Archival Collection: The Alan Gregg Papers (Profiles in Science)
5. Letter from Joshua Lederberg to Henry A. Lardy Publication: Produced: 24 July 1950 Subject(s): Fellowships and ScholarshipsProfessional Competence Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
6. Letter from Joshua Lederberg to Margaret Lieb Publication: Produced: 31 October 1950 Subject(s): Fellowships and ScholarshipsRadiation GeneticsUltraviolet Rays Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
7. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 12 March 1953 Subject(s): Fellowships and Scholarships Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
8. Letter from Joshua Lederberg to Ellis Englesberg Publication: Produced: 24 December 1949 Subject(s): Fellowships and Scholarships Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
9. Letter from Joshua Lederberg to Ellis Englesberg Publication: Produced: 24 December 1949 Subject(s): Fellowships and Scholarships Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
10. Letter from Joshua Lederberg to Ellis Englesberg Publication: Produced: 16 April 1950 Subject(s): Fellowships and ScholarshipsMutagenicity Tests Archival Collection: The Joshua Lederberg Papers (Profiles in Science)