Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Market Groupings, Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1962," Federal Reserve Bulletin (May 1962) : 118-118. https://fraser.stlouisfed.org/title/62/item/21329/toc/189286 , accessed on April 18, 2024.