Maffry, August, 1905-. Memorandum to the Board, Box 11, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=457325&filepath=/files/docs/historical/martin/11_02_19460524.pdf, accessed on November 17, 2017.
Regarding Notes and Recommendations on "Status of Export-Import Bank Funds as of May 21, 1946"
- Board of Governors of the Federal Reserve System, Federal Reserve Board
- Meltzer's History of the Federal Reserve - Primary Sources