Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "United States Government Debt - Volume and Kind of Direct Securities," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1942," Federal Reserve Bulletin (May 1942) : 85-85. https://fraser.stlouisfed.org/title/62/item/21045/toc/50421 , accessed on June 24, 2024.