United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "July 1965," Business Conditions Digest (July 1965) : 2-2. https://fraser.stlouisfed.org/title/43/item/7217/toc/188728 , accessed on May 9, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "July 1965," Business Conditions Digest (July 1965) : 2-2. https://fraser.stlouisfed.org/title/43/item/7217/toc/188728 , accessed on May 9, 2024.