Board of Governors of the Federal Reserve System (U.S.), 1935-. "Treasury Currency and SDR Certificates, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 6, 1985," Z.1 Financial Accounts of the United States (1985-12-06) : 39-39. https://fraser.stlouisfed.org/title/93/item/69101/toc/482549 , accessed on April 24, 2024.