Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Memorandum re Calculations Showing the Effect of Changes in Reserve Requirements, Number X-1660, Volume 11, Page 814, Mimeograph Letters and Statements of the Board. Board of Governors of the Federal Reserve System (U.S.), 1935-. https://fraser.stlouisfed.org/archival/4957/item/512578, accessed on September 25, 2024.