Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Federal Debt Subject to Statutory Limitation," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1977," Federal Reserve Bulletin (June 1977) : 126-126. https://fraser.stlouisfed.org/title/62/item/20430/toc/79301 , accessed on April 25, 2024.