Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Net Imports or Net Exports of Gold," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1928," Federal Reserve Bulletin (April 1928) : 22-22. https://fraser.stlouisfed.org/title/62/item/20676/toc/235792 , accessed on April 25, 2024.