United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "November 1971," Business Conditions Digest (November 1971) : 69-69. https://fraser.stlouisfed.org/title/43/item/7560/toc/180811 , accessed on May 8, 2024.
United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "November 1971," Business Conditions Digest (November 1971) : 69-69. https://fraser.stlouisfed.org/title/43/item/7560/toc/180811 , accessed on May 8, 2024.