United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "October 1963," Business Conditions Digest (October 1963) : 1-1. https://fraser.stlouisfed.org/title/43/item/7196/toc/193383 , accessed on May 3, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "October 1963," Business Conditions Digest (October 1963) : 1-1. https://fraser.stlouisfed.org/title/43/item/7196/toc/193383 , accessed on May 3, 2024.