United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "June 1972," Business Conditions Digest (June 1972) : 74-74. https://fraser.stlouisfed.org/title/43/item/7567/toc/381438 , accessed on May 16, 2024.
United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "June 1972," Business Conditions Digest (June 1972) : 74-74. https://fraser.stlouisfed.org/title/43/item/7567/toc/381438 , accessed on May 16, 2024.