United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "October 1983," Business Conditions Digest (October 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7446/toc/273420 , accessed on April 23, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "October 1983," Business Conditions Digest (October 1983) : 1-1. https://fraser.stlouisfed.org/title/43/item/7446/toc/273420 , accessed on April 23, 2024.