United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "August 1975," Business Conditions Digest (August 1975) : 2-2. https://fraser.stlouisfed.org/title/43/item/7348/toc/198197 , accessed on July 12, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "August 1975," Business Conditions Digest (August 1975) : 2-2. https://fraser.stlouisfed.org/title/43/item/7348/toc/198197 , accessed on July 12, 2024.