United States. Bureau of Labor Statistics. "October 1971," The Employment Situation (November 5, 1971). https://fraser.stlouisfed.org/title/144/item/496977, accessed on March 29, 2024.
United States. Bureau of Labor Statistics. "October 1971," The Employment Situation (November 5, 1971). https://fraser.stlouisfed.org/title/144/item/496977, accessed on March 29, 2024.