United States. Bureau of the Census. "Government Activities," in United States. Bureau of the Census. "May 1977," Business Conditions Digest (May 1977) : 59-60. https://fraser.stlouisfed.org/title/43/item/7369/toc/321309 , accessed on May 9, 2024.
United States. Bureau of the Census. "Government Activities," in United States. Bureau of the Census. "May 1977," Business Conditions Digest (May 1977) : 59-60. https://fraser.stlouisfed.org/title/43/item/7369/toc/321309 , accessed on May 9, 2024.