Board of Governors of the Federal Reserve System (U.S.), 1935-. "Proprietors' Equity in Noncorporate Business, Unadjusted Net Flows," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 20, 1980," Z.1 Financial Accounts of the United States (1980-08-20) : 51-51. https://fraser.stlouisfed.org/title/93/item/69063/toc/480344 , accessed on April 18, 2024.