United States. Bureau of the Census. "September 1985," Business Conditions Digest (September 1985). https://fraser.stlouisfed.org/title/43/item/7469, accessed on May 9, 2024.
United States. Bureau of the Census. "September 1985," Business Conditions Digest (September 1985). https://fraser.stlouisfed.org/title/43/item/7469, accessed on May 9, 2024.