Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Nonfinancial Corporations - Current Assets and Liabilities," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1981," Federal Reserve Bulletin (February 1981) : 126-126. https://fraser.stlouisfed.org/title/62/item/20474/toc/117780 , accessed on December 10, 2023.