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. In Vitro Growth and Multiplication of the Malaria Parasite, Plasmodium knowlesi Publication: American Association for the Advancement of Science, 25 May 1945 Subject(s): Plasmodium knowlesiResearch Design Archival Collection: The Christian B. Anfinsen Papers (Profiles in Science)
30. Studies on Malarial Parasites: VI. The Chemistry and Metabolism of Normal and Parasitized (P. knowlesi) Monkey Blood Publication: Rockefeller University. Press, 1 December 1946 Subject(s): Plasmodium knowlesiErythrocytesResearch Design Archival Collection: The Christian B. Anfinsen Papers (Profiles in Science)