Board of Governors of the Federal Reserve System (U.S.), 1935-. "June 30, 1971," G.27 Commercial and Industrial Loans to U.S. Addresses, Excluding Bankers' Acceptances and Commercial Paper, by Industry (June 30, 1971). https://fraser.stlouisfed.org/content/?item_id=482284&filepath=/files/docs/releases/g27/h12_19710630.pdf, accessed on July 19, 2018.
Board of Governors of the Federal Reserve System