Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Paper Currency Outstanding," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 1918," Federal Reserve Bulletin (January 1918) : 22-22. https://fraser.stlouisfed.org/title/62/item/21102/toc/55977 , accessed on March 28, 2024.