Board of Governors of the Federal Reserve System (U.S.), 1935-. "Checkable Deposits and Currency, Unadjusted Net Flows, Millions," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 7, 1990," Z.1 Financial Accounts of the United States (1990-03-07) : 48-48. https://fraser.stlouisfed.org/title/93/item/69046/toc/476740 , accessed on April 19, 2024.