Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 15, 2017 : Supplemental Tables," G.17 Industrial Production and Capacity Utilization (December 15, 2017). https://fraser.stlouisfed.org/title/77/item/576406, accessed on December 9, 2023.
Board of Governors of the Federal Reserve System
http://rightsstatements.org/vocab/NoC-US/1.0/