Employment and Earnings, United States, 1909-71 : Bulletin of the United States Bureau of Labor Statistics, No. 1312-8
United States. Bureau of Labor Statistics. "Employment and Earnings, United States, 1909-71 : Bulletin of the United States Bureau of Labor Statistics, No. 1312-8," Employment and Earnings, United States (1972). https://fraser.stlouisfed.org/title/189/item/522865, accessed on May 17, 2024.