United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "August 1969," Business Conditions Digest (August 1969) : 105-105. https://fraser.stlouisfed.org/title/43/item/7533/toc/216414 , accessed on March 28, 2024.
United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "August 1969," Business Conditions Digest (August 1969) : 105-105. https://fraser.stlouisfed.org/title/43/item/7533/toc/216414 , accessed on March 28, 2024.