Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 1, 1972," G.27 Commercial and Industrial Loans to U.S. Addresses, Excluding Bankers' Acceptances and Commercial Paper, by Industry (March 1, 1972). https://fraser.stlouisfed.org/content/?item_id=482319&filepath=/files/docs/releases/g27/h12_19720301.pdf, accessed on July 22, 2018.
Board of Governors of the Federal Reserve System