Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 26, 1952," G.27 Commercial and Industrial Loans to U.S. Addresses, Excluding Bankers' Acceptances and Commercial Paper, by Industry (March 26, 1952). https://fraser.stlouisfed.org/content/?item_id=481277&filepath=/files/docs/releases/g27/h12_19520326.pdf, accessed on July 23, 2018.
Board of Governors of the Federal Reserve System