Martin, William McChesney. The Present Agitation over Short Selling, Box 1, Folder 1, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456743&filepath=/files/docs/historical/martin/01_01_19320430.pdf&start_page=1, accessed on October 19, 2017.
Possibly a paper done for post-graduate coursework.
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources