Maffry, August, 1905-. Memorandum to the Board, Box 11, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/archival/1341/item/457325, accessed on August 15, 2018.
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