United States. Bureau of the Census. "October 1974," Business Conditions Digest (October 1974). https://fraser.stlouisfed.org/title/43/item/7338, accessed on April 23, 2024.
United States. Bureau of the Census. "October 1974," Business Conditions Digest (October 1974). https://fraser.stlouisfed.org/title/43/item/7338, accessed on April 23, 2024.