Toshiaki Hirai is Emeritus Professor at Sophia University. He is editor-in-chief of The Review of Keynesian Studies, published  by the Keynes Society Japan.

• 1. Introduction.- 2. Keynes’s Theory in the Making.- 3. How Did Keynes Transform His Theory from the Tract into the Treatise?.- 4. How, and for How Long Did Keynes Maintain The Treatise Theory?.- 5. The Turning Point in Keynes’s Theoretical Development.- 6. Keynes as a Planner and Negotiator - International Clearing Union.- 7. Keynes and the Transmutation Process of the Plan for Commodity Control Scheme.- 8. International Design and the British Empire - On the Relief Problem.- 9. The Welfare State in the Making - Beveridge and Keynes.- 10. Keynes’s Employment Policy in the Making - The Keynesian Revolution in Economic Policy.- 11. A Treatise on Probability and My Early Beliefs.- 12. Keynes’s New Liberalism Re-Examined.- 13. Hawtrey’s Philosophy through His Unpublished Thought and Things.- 14. Hawtrey on Welfare and Value.- 15. Exploring Hawtrey’s Social Philosophy through His Unpublished Book.- 16. Prof. Aoyama’s Study on Robertson and Keynes in Interwar Japan.- 17. Keynes and Monetary Economics.- 18. Recent Japanese Studies in the Development on Keynes’s Thought.