Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Measures of the Money Stock," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1972," Federal Reserve Bulletin (April 1972) : 129-129. https://fraser.stlouisfed.org/title/62/item/21448/toc/358313 , accessed on July 9, 2024.