Martin, William McChesney. Letter to Mr. Willard L. Thorp, Box 16, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456742&filepath=/files/docs/historical/martin/16_02_19501219.pdf, accessed on November 22, 2017.
Regarding assignment of Lowell M. Pumphrey to Federal Reserve Bank of New York to monitor foreign financing.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources