United States. Bureau of Labor Statistics. "October 1970," The Employment Situation (November 6, 1970). https://fraser.stlouisfed.org/title/144/item/496965, accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "October 1970," The Employment Situation (November 6, 1970). https://fraser.stlouisfed.org/title/144/item/496965, accessed on April 19, 2024.