United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "May 1983," Business Conditions Digest (May 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7441/toc/182699 , accessed on April 25, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "May 1983," Business Conditions Digest (May 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7441/toc/182699 , accessed on April 25, 2024.