United States. Bureau of the Census. "Contents," in United States. Bureau of the Census. "June 1965," Business Conditions Digest (June 1965) : 1-2. https://fraser.stlouisfed.org/title/43/item/7216/toc/362335 , accessed on April 19, 2024.
United States. Bureau of the Census. "Contents," in United States. Bureau of the Census. "June 1965," Business Conditions Digest (June 1965) : 1-2. https://fraser.stlouisfed.org/title/43/item/7216/toc/362335 , accessed on April 19, 2024.