United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "June 1983," Business Conditions Digest (June 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7442/toc/51323 , accessed on June 23, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "June 1983," Business Conditions Digest (June 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7442/toc/51323 , accessed on June 23, 2024.