United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "December 1983," Business Conditions Digest (December 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7448/toc/153299 , accessed on April 24, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "December 1983," Business Conditions Digest (December 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7448/toc/153299 , accessed on April 24, 2024.