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. "May 1981," Federal Reserve Bulletin (May 1981) : 111-111. https://fraser.stlouisfed.org/title/62/item/20477/toc/104820 , accessed on March 28, 2024.