Martin, William McChesney. Draft Letter to W.L. Clayton, Box 15, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456915&filepath=/files/docs/historical/martin/15_02_nd1.pdf&start_page=1, accessed on September 21, 2017.
Regarding Chinese application
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources