United States. Department of the Treasury. Life Insurance Plea for Higher Interest Rates, Box 15, Folder 5, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=457201&filepath=/files/docs/historical/martin/15_05_nd3.pdf, accessed on December 17, 2017.
Staff paper to Secretary Snyder on the life insurance industry.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources