United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "July 1975," Business Conditions Digest (July 1975) : 75-75. https://fraser.stlouisfed.org/title/43/item/7347/toc/239377 , accessed on July 10, 2024.
United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "July 1975," Business Conditions Digest (July 1975) : 75-75. https://fraser.stlouisfed.org/title/43/item/7347/toc/239377 , accessed on July 10, 2024.