7811. Letter from Michael Heidelberger to Kai O. Pedersen Publication: Produced: 30 November 1934 Subject(s): AntibodiesUltracentrifugation Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7812. Letter from Michael Heidelberger to Kai O. Pedersen Publication: Produced: 15 February 1935 Subject(s): Molecular WeightThyroglobulinUltracentrifugation Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7813. Letter from Kai O. Pedersen to Michael Heidelberger Publication: Produced: 20 October 1936 Subject(s): AntibodiesMolecular WeightUltracentrifugation Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7814. Letter from Kai O. Pedersen to Michael Heidelberger Publication: Produced: 6 December 1939 Subject(s): World War IIPoliticsAntigen-Antibody Reactions Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7815. Letter from Florence R. Sabin to Michael Heidelberger Publication: Produced: 24 October 1941 Subject(s): Antigen-Antibody Reactions Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7816. Letter from Geddes Smith, Commonwealth Fund to Michael Heidelberger Publication: Produced: 10 January 1940 Subject(s): Antibodies Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7817. Letter from Michael Heidelberger to Geddes Smith, Commonwealth Fund Publication: Produced: 11 January 1940 Subject(s): Antibodies Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7818. Letter from Colin M. MacLeod to Michael Heidelberger Publication: Produced: 20 May 1941 Subject(s): VaccinesPolysaccharidesPneumococcal Infections Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7819. Letter from Kai O. Pedersen to Michael Heidelberger Publication: Produced: 27 January 1935 Subject(s): Molecular WeightThyroglobulinUltracentrifugation Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7820. Letter from Kai O. Pedersen to Michael Heidelberger Publication: Produced: 19 November 1934 Subject(s): UltracentrifugationElectrophoresis Archival Collection: The Michael Heidelberger Papers (Profiles in Science)