Federal Reserve Bank of Chicago. "December 1974," Business Conditions (Federal Reserve Bank of Chicago) (December 1974). https://fraser.stlouisfed.org/title/5562/item/540342, accessed on April 19, 2024.
Federal Reserve Bank of Chicago. "December 1974," Business Conditions (Federal Reserve Bank of Chicago) (December 1974). https://fraser.stlouisfed.org/title/5562/item/540342, accessed on April 19, 2024.