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. "December 1928," Federal Reserve Bulletin (December 1928) : 46-46. https://fraser.stlouisfed.org/title/62/item/20684/toc/252428 , accessed on May 7, 2024.