United States. Bureau of Labor Statistics. "Annual Earnings and Employment Patterns of Private Nonagricultural Employees, 1970 : Bulletin of the United States Bureau of Labor Statistics, No. 1842,"
Annual Earnings and Employment Patterns, Private Nonagricultural Employment
(1975).
https://fraser.stlouisfed.org/title/4653/item/499071, accessed on December 12, 2024.