Board of Governors of the Federal Reserve System (U.S.), 1935-. "U.S. Government and Credit Agencies and Mortgage Pools, Unadjusted Net Flows," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "June 4, 1986," Z.1 Financial Accounts of the United States (1986-06-04) : 24-24. https://fraser.stlouisfed.org/title/93/item/69055/toc/482916 , accessed on March 29, 2024.