Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Shipments and Receipts of United States Paper Currency," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 1939," Federal Reserve Bulletin (October 1939) : 60-60. https://fraser.stlouisfed.org/title/62/item/21018/toc/261769 , accessed on April 18, 2024.