1. A Quantitative Study of the Precipitin Reaction between Type III Pneumococcus Polysaccharide and Purified Homologous Antibody Publication: Rockefeller Institute for Medical Research, December 1929 Subject(s): Streptococcus pneumoniaeAntibodiesPneumococcal InfectionsPolysaccharides Archival Collection: The Michael Heidelberger Papers (Profiles in Science)