Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Member Bank Reserve Balances, by Classes of Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1938," Federal Reserve Bulletin (April 1938) : 47-47. https://fraser.stlouisfed.org/title/62/item/21000/toc/188990 , accessed on April 23, 2024.