Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Market Groupings," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1975," Federal Reserve Bulletin (August 1975) : 126-126. https://fraser.stlouisfed.org/title/62/item/21488/toc/188622 , accessed on May 8, 2024.