United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "February 1965," Business Conditions Digest (February 1965) : 2-2. https://fraser.stlouisfed.org/title/43/item/7212/toc/291697 , accessed on April 18, 2024.
United States. Bureau of the Census. "Title Page," in United States. Bureau of the Census. "February 1965," Business Conditions Digest (February 1965) : 2-2. https://fraser.stlouisfed.org/title/43/item/7212/toc/291697 , accessed on April 18, 2024.