Wage Calendar, 1977 : Bulletin of the United States Bureau of Labor Statistics, No. 1943
United States. Bureau of Labor Statistics. "Wage Calendar, 1977 : Bulletin of the United States Bureau of Labor Statistics, No. 1943," Wage Calendar (1977). https://fraser.stlouisfed.org/title/4872/item/499311, accessed on April 19, 2024.