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. "June 1963," Federal Reserve Bulletin (June 1963) : 96-96. https://fraser.stlouisfed.org/title/62/item/21342/toc/271550 , accessed on March 29, 2024.