Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 15, 2019 : Supplemental Tables," G.17 Industrial Production and Capacity Utilization (August 15, 2019). https://fraser.stlouisfed.org/title/77/item/583993, accessed on December 3, 2023.
Board of Governors of the Federal Reserve System
http://rightsstatements.org/vocab/NoC-US/1.0/