United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "August 1963," Business Conditions Digest (August 1963) : 1-1. https://fraser.stlouisfed.org/title/43/item/7194/toc/362245 , accessed on June 24, 2024.
United States. Bureau of the Census. "Cover Page," in United States. Bureau of the Census. "August 1963," Business Conditions Digest (August 1963) : 1-1. https://fraser.stlouisfed.org/title/43/item/7194/toc/362245 , accessed on June 24, 2024.