United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "February 1976," Business Conditions Digest (February 1976) : 1-1. https://fraser.stlouisfed.org/title/43/item/7354/toc/60912 , accessed on April 23, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "February 1976," Business Conditions Digest (February 1976) : 1-1. https://fraser.stlouisfed.org/title/43/item/7354/toc/60912 , accessed on April 23, 2024.