[Part 2: Biological Sciences] || Conversion of Soluble Immune Response Suppressor to Macrophage-Derived Suppressor Factor by PeroxideThomas M. Aune and Carl W. Pierce · Proceedings of the National Academy of Sciences of the United States of America · 1981

[Part 2: Biological Sciences] || A Human Soluble Suppressor Factor Affecting Lymphocyte Responses in vitroLien Shou, Stanley A. Schwartz, Robert A. Good, Reiling Peng and Cheng Lung Chen · Proceedings of the National Academy of Sciences of the United States of America · 1980

[Part 2: Biological Sciences] || Production of Antigen-Specific Suppressive T Cell Factor by Radiation Leukemia Virus-Transformed Suppressor T CellsPaola Ricciardi-Castagnoli, Gino Doria and Luciano Adorini · Proceedings of the National Academy of Sciences of the United States of America · 1981

Two Empires or Three?Ernst Mayr · Proceedings of the National Academy of Sciences of the United States of America · 1998

The Objects of SelectionErnst Mayr · Proceedings of the National Academy of Sciences of the United States of America · 1997

Generalized Riemannian GeometryLuther P. Eisenhart · Proceedings of the National Academy of Sciences of the United States of America · 1962

On Monothetic GroupsPaul R. Halmos and H. Samelson · Proceedings of the National Academy of Sciences of the United States of America · 1942

Stochastic Speculative PricePaul A. Samuelson · Proceedings of the National Academy of Sciences of the United States of America · 1971

Supplement || Front MatterProceedings of the National Academy of Sciences of the United States of America · 1983

Supplement || Biological Sciences Subject IndexProceedings of the National Academy of Sciences of the United States of America · 1983

Supplement || Physical Sciences Subject IndexProceedings of the National Academy of Sciences of the United States of America · 1983