Federal Reserve Bank of Chicago. "August 1955," Business Conditions (Federal Reserve Bank of Chicago) (August 1955). https://fraser.stlouisfed.org/title/5562/item/540110, accessed on April 23, 2024.
Federal Reserve Bank of Chicago. "August 1955," Business Conditions (Federal Reserve Bank of Chicago) (August 1955). https://fraser.stlouisfed.org/title/5562/item/540110, accessed on April 23, 2024.