Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 1, 1968," G.27 Commercial and Industrial Loans to U.S. Addresses, Excluding Bankers' Acceptances and Commercial Paper, by Industry (May 1, 1968). https://fraser.stlouisfed.org/title/3933/item/482118, accessed on November 17, 2018.
Board of Governors of the Federal Reserve System