The Root of the Universal Tree and the Origin of Eukaryotes Based on Elongation Factor PhylogenySandra L. Baldauf, Jeffrey D. Palmer and W. Ford Doolittle · Proceedings of the National Academy of Sciences of the United States of America · 1996

Different Fates of the Chloroplast TufA Gene Following its Transfer to the Nucleus in Green AlgaeSandra L. Baldauf, James R. Manhart and Jeffrey D. Palmer · Proceedings of the National Academy of Sciences of the United States of America · 1990

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