Federal Reserve Bank of Chicago. "September 1950," Business Conditions (Federal Reserve Bank of Chicago) (September 1950). https://fraser.stlouisfed.org/title/5562/item/540051, accessed on May 2, 2024.
Federal Reserve Bank of Chicago. "September 1950," Business Conditions (Federal Reserve Bank of Chicago) (September 1950). https://fraser.stlouisfed.org/title/5562/item/540051, accessed on May 2, 2024.