United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "February 1974," Business Conditions Digest (February 1974) : 2-2. https://fraser.stlouisfed.org/title/43/item/7330/toc/152063 , accessed on April 24, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "February 1974," Business Conditions Digest (February 1974) : 2-2. https://fraser.stlouisfed.org/title/43/item/7330/toc/152063 , accessed on April 24, 2024.