Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "Average Hourly and Weekly Earnings--Selected Industries," in Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "February 1968," Economic Indicators (February 1968) : 17-17. https://fraser.stlouisfed.org/title/1/item/578/toc/156620 , accessed on March 28, 2024.