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. "July 1962," Business Conditions Digest (July 1962) : 64-64. https://fraser.stlouisfed.org/title/43/item/7181/toc/120991 , accessed on March 29, 2024.