Board of Governors of the Federal Reserve System (U.S.), 1935-. "April 12, 1961,"
G.27 Commercial and Industrial Loans to U.S. Addresses, Excluding Bankers' Acceptances and Commercial Paper, by Industry
(April 12, 1961).
https://fraser.stlouisfed.org/title/3933/item/481749, accessed on May 12, 2025.