United States. Bureau of Labor Statistics. "February 1966," The Employment Situation (March 8, 1966). https://fraser.stlouisfed.org/title/144/item/496909, accessed on September 21, 2023.
Public Domain
United States. Bureau of Labor Statistics. "February 1966," The Employment Situation (March 8, 1966). https://fraser.stlouisfed.org/title/144/item/496909, accessed on September 21, 2023.
Public Domain