United States. Bureau of Labor Statistics. "May 1975," The Employment Situation (June 6, 1975). https://fraser.stlouisfed.org/title/144/item/56148, accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "May 1975," The Employment Situation (June 6, 1975). https://fraser.stlouisfed.org/title/144/item/56148, accessed on April 19, 2024.