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. "December 1967," Business Conditions Digest (December 1967) : 82-82. https://fraser.stlouisfed.org/title/43/item/7246/toc/425839 , accessed on April 23, 2024.