Complete Titles and Sources of Principal Business Cycle Series and Diffusion Indexes
United States. Bureau of the Census. "Complete Titles and Sources of Principal Business Cycle Series and Diffusion Indexes," in United States. Bureau of the Census. "December 1963," Business Conditions Digest (December 1963) : 75-76. https://fraser.stlouisfed.org/title/43/item/7198/toc/184036 , accessed on May 1, 2024.