United States. Bureau of the Census. "Money and Credit," in United States. Bureau of the Census. "April 1972," Business Conditions Digest (April 1972) : 87-88. https://fraser.stlouisfed.org/title/43/item/7565/toc/54956 , accessed on July 16, 2024.
United States. Bureau of the Census. "Money and Credit," in United States. Bureau of the Census. "April 1972," Business Conditions Digest (April 1972) : 87-88. https://fraser.stlouisfed.org/title/43/item/7565/toc/54956 , accessed on July 16, 2024.