1. Letter from Elvin A. Kabat to Michael Heidelberger Publication: Produced: [23 November 1937] Subject(s): Immune SeraAntibodiesMolecular Weight Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
2. Letter from Elvin A. Kabat to Michael Heidelberger Publication: Produced: [22 July 1938] Subject(s): Immune SeraAntibodiesCrystallography, X-RayMolecular Weight Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
3. 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)
4. 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)
5. 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)
6. The relation between the atomic weights of the chemical elements Author(s): Cooke, Josiah P. Jr. (Josiah Parsons), 1827-1894, author Publication: Cambridge : Metcalf and Company, 1854 Subject(s): ElementsMolecular Weight
7. On the molecular weight of hydrofluoric acid Author(s): Mallet, John William, author Publication: [Baltimore?] : [publisher not identified], [1881?] Subject(s): Hydrofluoric AcidMolecular Weight
