Federal Reserve Bank of Chicago. "April 1974," Business Conditions (Federal Reserve Bank of Chicago) (April 1974). https://fraser.stlouisfed.org/title/5562/item/540334, accessed on May 3, 2024.
Federal Reserve Bank of Chicago. "April 1974," Business Conditions (Federal Reserve Bank of Chicago) (April 1974). https://fraser.stlouisfed.org/title/5562/item/540334, accessed on May 3, 2024.