Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. Statement Showing Minimum Amount of Notes to Be Kept on Hand in Washington for Each Federal Reserve Bank, Amount at Present on Hand in Washington, and Amount Being Printed, Number X-368, Volume 6, Page 2708, 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/510723, accessed on March 15, 2026.