Board of Governors of the Federal Reserve System (U.S.), 1935-. "Money Market Mutual Fund Shares, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 22, 1986," Z.1 Financial Accounts of the United States (1986-12-22) : 45-45. https://fraser.stlouisfed.org/title/93/item/69045/toc/483175 , accessed on April 23, 2024.