United States. Bureau of Labor Statistics. "September 1969," The Employment Situation (October 6, 1969). https://fraser.stlouisfed.org/title/144/item/496952, accessed on September 24, 2023.
Public Domain
United States. Bureau of Labor Statistics. "September 1969," The Employment Situation (October 6, 1969). https://fraser.stlouisfed.org/title/144/item/496952, accessed on September 24, 2023.
Public Domain