Board of Governors of the Federal Reserve System (U.S.), 1935-. "Treasury Currency and SDR Certificates, Unadjusted Net Flows," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 11, 1979," Z.1 Financial Accounts of the United States (1979-05-11) : 35-35. https://fraser.stlouisfed.org/title/93/item/69144/toc/479720 , accessed on November 30, 2023.