Federal Reserve Bank of Chicago. "November 1965," Business Conditions (Federal Reserve Bank of Chicago) (November 1965). https://fraser.stlouisfed.org/title/5562/item/540233, accessed on April 19, 2024.
Federal Reserve Bank of Chicago. "November 1965," Business Conditions (Federal Reserve Bank of Chicago) (November 1965). https://fraser.stlouisfed.org/title/5562/item/540233, accessed on April 19, 2024.