Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Denominations of United States Currency in Circulation," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1960," Federal Reserve Bulletin (June 1960) : 44-44. https://fraser.stlouisfed.org/title/62/item/21306/toc/348058 , accessed on April 24, 2024.