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. "February 1963," Business Conditions Digest (February 1963) : 66-66. https://fraser.stlouisfed.org/title/43/item/7188/toc/219531 , accessed on April 25, 2024.