Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Regulatory Status of Margin Account Debt at Brokers," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 1969," Federal Reserve Bulletin (January 1969) : 125-125. https://fraser.stlouisfed.org/title/62/item/21409/toc/93434 , accessed on June 25, 2024.