Board of Governors of the Federal Reserve System (U.S.), 1935-. "April 23, 1952," G.27 Commercial and Industrial Loans to U.S. Addresses, Excluding Bankers' Acceptances and Commercial Paper, by Industry (April 23, 1952). https://fraser.stlouisfed.org/scribd/?item_id=481281&filepath=/files/docs/releases/g27/h12_19520423.pdf, accessed on November 25, 2017.
Board of Governors of the Federal Reserve System