United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "October 1973," Business Conditions Digest (October 1973) : 2-2. https://fraser.stlouisfed.org/title/43/item/7326/toc/198915 , accessed on May 9, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "October 1973," Business Conditions Digest (October 1973) : 2-2. https://fraser.stlouisfed.org/title/43/item/7326/toc/198915 , accessed on May 9, 2024.