United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "October 1976," Business Conditions Digest (October 1976) : 1-1. https://fraser.stlouisfed.org/title/43/item/7362/toc/173919 , accessed on April 18, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "October 1976," Business Conditions Digest (October 1976) : 1-1. https://fraser.stlouisfed.org/title/43/item/7362/toc/173919 , accessed on April 18, 2024.