Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Denominations in Circulation," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1971," Federal Reserve Bulletin (August 1971) : 81-81. https://fraser.stlouisfed.org/title/62/item/21440/toc/52650 , accessed on April 18, 2024.