Federal Reserve Bank of Chicago. "June 1976," Business Conditions (Federal Reserve Bank of Chicago) (June 1976). https://fraser.stlouisfed.org/title/5562/item/540360, accessed on March 29, 2024.
Federal Reserve Bank of Chicago. "June 1976," Business Conditions (Federal Reserve Bank of Chicago) (June 1976). https://fraser.stlouisfed.org/title/5562/item/540360, accessed on March 29, 2024.