Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Monetary Gold Stock of the United States," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "1928," Annual Report of the Board of Governors of the Federal Reserve System (1928) : 89-89. https://fraser.stlouisfed.org/title/117/item/2486/toc/97577 , accessed on April 25, 2024.