Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Index Number of Security Prices," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1925," Federal Reserve Bulletin (May 1925) : 14-14. https://fraser.stlouisfed.org/title/62/item/20572/toc/285876 , accessed on May 9, 2024.