Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Kinds of United States Currency Outstanding and in Circulation," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1962," Federal Reserve Bulletin (February 1962) : 56-56. https://fraser.stlouisfed.org/title/62/item/21326/toc/251960 , accessed on May 11, 2024.