Comparisons of Specific Cycle Patterns
United States. Bureau of the Census. "Comparisons of Specific Cycle Patterns," in United States. Bureau of the Census. "October 1961," Business Conditions Digest (October 1961) : 56-60. https://fraser.stlouisfed.org/title/43/item/7172/toc/299595 , accessed on March 28, 2024.