United States. Bureau of the Census. "Contents," in United States. Bureau of the Census. "January 1965," Business Conditions Digest (January 1965) : 3-4. https://fraser.stlouisfed.org/title/43/item/7211/toc/278192 , accessed on March 28, 2024.
United States. Bureau of the Census. "Contents," in United States. Bureau of the Census. "January 1965," Business Conditions Digest (January 1965) : 3-4. https://fraser.stlouisfed.org/title/43/item/7211/toc/278192 , accessed on March 28, 2024.