Federal Reserve Bank of Chicago. "November 1975," Business Conditions (Federal Reserve Bank of Chicago) (November 1975). https://fraser.stlouisfed.org/title/5562/item/540353, accessed on May 3, 2024.
Federal Reserve Bank of Chicago. "November 1975," Business Conditions (Federal Reserve Bank of Chicago) (November 1975). https://fraser.stlouisfed.org/title/5562/item/540353, accessed on May 3, 2024.