On the Genesis of Post Keynesian Economics. Alfred S. Eichner, Joan Robinson and the founding of post Keynesian economics (F.S. Lee). Tributes in memory of Alfred S. Eichner. Correspondence: working out the megacorp and oligopoly, 1969-1971. Correspondence: organizing the U.S. post Keynesians and macrodynamics, 1971-1972. Correspondence: neoclassical economics and the post Keynesian paradigm, 1973-1976. Appendix I. Regulating private power. Appendix II. Price policies of oligopolistic companies: The larger dynamic. Appendix III. Adrian Wood, the magacorp, and the determination of the mark up. Content and Methodology During the Interwar Period. The quantative method in economics: its promise, strength and limits (W.C. Mitchell et al.). Introduction (L. Fioritio, W.J. Samuels). The years of high pluralism: U.S. interwar economics: new light from the Mitchell correspondence (L. Fiorito). Henry Schultz's "The Quantative Method with Special Reference to Economic Inquiry" (L. Fiorito, W.J. Samuels). Editor's note (L. Fiorito). The quantative method with special reference to economic inquiry (H. Schultz, A.F. Burns's "Scientific Method and Business Cycles" (W.J. Samuels). Introduction (W.J. Samuels). Scientific method and business cycles (A.F. Burns).