United States. Bureau of the Census. "May 1983," Business Conditions Digest (May 1983). https://fraser.stlouisfed.org/title/43/item/7441, accessed on May 10, 2024.
United States. Bureau of the Census. "May 1983," Business Conditions Digest (May 1983). https://fraser.stlouisfed.org/title/43/item/7441, accessed on May 10, 2024.