Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Market Groupings, Not Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1963," Federal Reserve Bulletin (July 1963) : 118-118. https://fraser.stlouisfed.org/title/62/item/21343/toc/319459 , accessed on May 5, 2024.