Business Cycle Reference Dates and Duration of Expansions and Contractions in the United States: 1854-1961
United States. Bureau of the Census. "Business Cycle Reference Dates and Duration of Expansions and Contractions in the United States: 1854-1961," in United States. Bureau of the Census. "January 1963," Business Conditions Digest (January 1963) : 64-64. https://fraser.stlouisfed.org/title/43/item/7187/toc/247446 , accessed on April 19, 2024.