Board of Governors of the Federal Reserve System (U.S.), 1935-. "Money Market Funds Shares, Unadjusted Net Flows," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "June 5, 1987," Z.1 Financial Accounts of the United States (1987-06-05) : 38-38. https://fraser.stlouisfed.org/title/93/item/69104/toc/483518 , accessed on April 24, 2024.