United States. Bureau of the Census. "Series Finding Guide," in United States. Bureau of the Census. "May 1984," Business Conditions Digest (May 1984) : 116-119. https://fraser.stlouisfed.org/title/43/item/7453/toc/246528 , accessed on May 9, 2024.
United States. Bureau of the Census. "Series Finding Guide," in United States. Bureau of the Census. "May 1984," Business Conditions Digest (May 1984) : 116-119. https://fraser.stlouisfed.org/title/43/item/7453/toc/246528 , accessed on May 9, 2024.