United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "July 1972," Business Conditions Digest (July 1972) : 74-74. https://fraser.stlouisfed.org/title/43/item/7568/toc/328475 , accessed on April 25, 2024.
United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "July 1972," Business Conditions Digest (July 1972) : 74-74. https://fraser.stlouisfed.org/title/43/item/7568/toc/328475 , accessed on April 25, 2024.