Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Federal Reserve Notes - Federal Reserve Agents' Accounts, by Weeks," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1940," Federal Reserve Bulletin (February 1940) : 50-50. https://fraser.stlouisfed.org/title/62/item/21022/toc/431900 , accessed on April 24, 2024.