21. Letter from Linus Pauling to Seeley G. Mudd Publication: Produced: 6 November 1945 Subject(s): Research DesignSalicylates Archival Collection: The Linus Pauling Papers (Profiles in Science)
22. Letter from Maxine Singer to F. James Charney Publication: Produced: 16 March 1999 Subject(s): Government RegulationResearch Design Archival Collection: The Maxine Singer Papers (Profiles in Science)
23. Letter from R. H. Felix to Mary Lasker Publication: Produced: 14 June 1960 Subject(s): Research DesignFinancing, OrganizedNational Institute of Mental Health (U.S.) Archival Collection: The Mary Lasker Papers (Profiles in Science)
24. Letter from David M. Bonner to Joshua Lederberg Publication: Produced: 2 May 1949 Subject(s): MethodsResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
25. Letter from Joshua Lederberg to Carlton Fredericks Publication: Produced: 23 May 1950 Subject(s): Nutritional Physiological PhenomenaResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
26. Letter from Joshua Lederberg to Gordon Allen Publication: Produced: 26 February 1951 Subject(s): Research Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
27. Letter from Joshua Lederberg to Gordon Allen Publication: Produced: 24 March 1950 Subject(s): Research Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
28. Letter from Seymour S. Cohen to Joshua Lederberg Publication: Produced: 4 May 1948 Subject(s): Escherichia coliResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
29. Albert Szent-Gyorgyi discusses his approach to research Publication: Pacific Street Film Projects, Inc., 1984 Subject(s): Research Design Archival Collection: The Albert Szent-Gyorgyi Papers (Profiles in Science)
30. Albert Szent-Gyorgyi discusses his approach to cancer research Publication: Pacific Street Film Projects, Inc., 1984 Subject(s): Research DesignNeoplasms Archival Collection: The Albert Szent-Gyorgyi Papers (Profiles in Science)