Percent Change for Selected Series Over Contraction and Expansion Periods of Business Cycles: 1920 to 1961
United States. Bureau of the Census. "Percent Change for Selected Series Over Contraction and Expansion Periods of Business Cycles: 1920 to 1961," in United States. Bureau of the Census. "September 1967," Business Conditions Digest (September 1967) : 83-83. https://fraser.stlouisfed.org/title/43/item/7243/toc/218216 , accessed on April 25, 2024.