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. "September 1973," Federal Reserve Bulletin (September 1973) : 118-118. https://fraser.stlouisfed.org/title/62/item/21466/toc/8518 , accessed on April 23, 2024.