Average Monthly Employment of Covered Workers by Industry Divisions
United States. Bureau of Employment Security. "Average Monthly Employment of Covered Workers by Industry Divisions," in United States. Bureau of Employment Security. "Employment Security Memorandum, No. 6," Employment and Pay Rolls in State Unemployment Compensation Systems, 1938 (1938) : 37-37. https://fraser.stlouisfed.org/title/193/item/5442/content/pdf/emppay_esm_194040v1/toc/122075 , accessed on April 18, 2024.