Martin, William McChesney. [Undated Enumerated List], Box 1, Folder 1, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/content/?item_id=456791&filepath=/files/docs/historical/martin/01_01_nd01.pdf, accessed on May 21, 2018.
Possibly in response to a list of questions regarding the Quotations and Commissions Committee
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources