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. "March 1942," Federal Reserve Bulletin (March 1942) : 43-43. https://fraser.stlouisfed.org/title/62/item/21043/toc/166193 , accessed on June 30, 2024.