- On Quantitative Thinking In Economics
- Money and Foreign Exchange After 1914 (World Affairs Ser. : National and International Viewpoints)
- Neuere Monopolistische Tendenzen in Industrie Und Handel: Eine Untersuchung Uber Die Natur Und Die Ursachen Der Armut Der Nationen
- The world's monetary problems two memoranda
- Nature and Necessity of Interest (Reprints of economic classics)