Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Kinds of Money in Circulation," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1932," Federal Reserve Bulletin (April 1932) : 33-33. https://fraser.stlouisfed.org/title/62/item/20724/toc/250247 , accessed on March 28, 2024.