Board of Governors of the Federal Reserve System (U.S.), 1935-. "Direct and Indirect Sources of Funds to Credit Markets, Unadjusted Net Flows," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 19, 1989 : Annual Revisions," Z.1 Financial Accounts of the United States (1989-09-19) : 15-15. https://fraser.stlouisfed.org/title/93/item/69056/toc/476014 , accessed on March 28, 2024.