Average Weekly Hours of Production Workers on Manufacturing Payrolls, By Industry
United States. Bureau of Labor Statistics. "Average Weekly Hours of Production Workers on Manufacturing Payrolls, By Industry," in United States. Bureau of Labor Statistics. "December 1971," The Employment Situation (January 7, 1972) : 16-16. https://fraser.stlouisfed.org/title/144/item/496979/toc/512092 , accessed on April 29, 2024.