Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Maturities of Publicly-Offered Direct Obligations," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1941," Federal Reserve Bulletin (May 1941) : 58-58. https://fraser.stlouisfed.org/title/62/item/21037/toc/130743 , accessed on March 28, 2024.