Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Equity 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. "September 1969," Federal Reserve Bulletin (September 1969) : 120-120. https://fraser.stlouisfed.org/title/62/item/21417/toc/188139 , accessed on March 29, 2024.