United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "November 1979," Business Conditions Digest (November 1979) : 1-1. https://fraser.stlouisfed.org/title/43/item/7399/toc/48169 , accessed on March 28, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "November 1979," Business Conditions Digest (November 1979) : 1-1. https://fraser.stlouisfed.org/title/43/item/7399/toc/48169 , accessed on March 28, 2024.