Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Money Supply and Related Data," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1968," Federal Reserve Bulletin (July 1968) : 141-141. https://fraser.stlouisfed.org/title/62/item/21403/toc/144073 , accessed on June 27, 2024.