Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 15, 2014 : Supplemental Tables," G.17 Industrial Production and Capacity Utilization (May 15, 2014). https://fraser.stlouisfed.org/title/77/item/555473, accessed on December 7, 2023.
Board of Governors of the Federal Reserve System
http://rightsstatements.org/vocab/NoC-US/1.0/