United States. Bureau of the Census. "Money and Credit," in United States. Bureau of the Census. "May 1971," Business Conditions Digest (May 1971) : 36-39. https://fraser.stlouisfed.org/title/43/item/7554/toc/129382 , accessed on March 29, 2024.
United States. Bureau of the Census. "Money and Credit," in United States. Bureau of the Census. "May 1971," Business Conditions Digest (May 1971) : 36-39. https://fraser.stlouisfed.org/title/43/item/7554/toc/129382 , accessed on March 29, 2024.