Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Gold and Silver Imports and Exports," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1921," Federal Reserve Bulletin (May 1921) : 143-144. https://fraser.stlouisfed.org/title/62/item/20523/toc/260834 , accessed on May 4, 2024.