Szymczak, M. S. Letter to Honorable William McC. Martin, Jr., Box 16, Folder 2, William McChesney Martin, Jr., Papers. https://fraser.stlouisfed.org/scribd/?item_id=456845&filepath=/files/docs/historical/martin/16_02_19490414.pdf&start_page=1, accessed on October 17, 2017.
With copies of letters: Taylor to Mendels, and Frere to Mendels. International Bank
- Board of Governors of the Federal Reserve System (U.S.), 1935-
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