Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Statistics for Federal Reserve Chart Book-Current Series," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1940," Federal Reserve Bulletin (December 1940) : 73-73. https://fraser.stlouisfed.org/title/62/item/21032/toc/399553 , accessed on May 11, 2024.