Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Treasury Currency Outstanding," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1937," Federal Reserve Bulletin (May 1937) : 82-82. https://fraser.stlouisfed.org/title/62/item/20742/toc/251238 , accessed on April 25, 2024.