United States. Bureau of Labor Statistics. "August 1970," The Employment Situation (September 4, 1970). https://fraser.stlouisfed.org/title/144/item/496963, accessed on May 8, 2024.
United States. Bureau of Labor Statistics. "August 1970," The Employment Situation (September 4, 1970). https://fraser.stlouisfed.org/title/144/item/496963, accessed on May 8, 2024.