United States. Bureau of the Census. "Table of Contents," in United States. Bureau of the Census. "May 1983," Business Conditions Digest (May 1983) : 3-4. https://fraser.stlouisfed.org/title/43/item/7441/toc/182701 , accessed on April 18, 2024.
United States. Bureau of the Census. "Table of Contents," in United States. Bureau of the Census. "May 1983," Business Conditions Digest (May 1983) : 3-4. https://fraser.stlouisfed.org/title/43/item/7441/toc/182701 , accessed on April 18, 2024.