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. "March 1972," Federal Reserve Bulletin (March 1972) : 142-142. https://fraser.stlouisfed.org/title/62/item/21447/toc/35381 , accessed on May 1, 2024.