Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 31, 1961," G.27 Commercial and Industrial Loans to U.S. Addresses, Excluding Bankers' Acceptances and Commercial Paper, by Industry (May 31, 1961). https://fraser.stlouisfed.org/title/3933/item/481756, accessed on October 22, 2018.
Board of Governors of the Federal Reserve System