United States. Bureau of the Census. "Contents," in United States. Bureau of the Census. "August 1965," Business Conditions Digest (August 1965) : 3-4. https://fraser.stlouisfed.org/title/43/item/7218/toc/55357 , accessed on April 23, 2024.
United States. Bureau of the Census. "Contents," in United States. Bureau of the Census. "August 1965," Business Conditions Digest (August 1965) : 3-4. https://fraser.stlouisfed.org/title/43/item/7218/toc/55357 , accessed on April 23, 2024.