Federal Reserve Bank of Chicago. "September 1974," Business Conditions (Federal Reserve Bank of Chicago) (September 1974). https://fraser.stlouisfed.org/title/5562/item/540339, accessed on April 24, 2024.
Federal Reserve Bank of Chicago. "September 1974," Business Conditions (Federal Reserve Bank of Chicago) (September 1974). https://fraser.stlouisfed.org/title/5562/item/540339, accessed on April 24, 2024.