United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "February 1990," Business Conditions Digest (February 1990) : 67-67. https://fraser.stlouisfed.org/title/43/item/7522/toc/291881 , accessed on May 7, 2024.
United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "February 1990," Business Conditions Digest (February 1990) : 67-67. https://fraser.stlouisfed.org/title/43/item/7522/toc/291881 , accessed on May 7, 2024.