United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "May 1985," Business Conditions Digest (May 1985) : 1-1. https://fraser.stlouisfed.org/title/43/item/7465/toc/180640 , accessed on March 18, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "May 1985," Business Conditions Digest (May 1985) : 1-1. https://fraser.stlouisfed.org/title/43/item/7465/toc/180640 , accessed on March 18, 2024.