Federal Reserve Bank of Chicago. "April 1943," Business Conditions (Federal Reserve Bank of Chicago) (April 1943). https://fraser.stlouisfed.org/title/5562/item/539962, accessed on May 4, 2024.
Federal Reserve Bank of Chicago. "April 1943," Business Conditions (Federal Reserve Bank of Chicago) (April 1943). https://fraser.stlouisfed.org/title/5562/item/539962, accessed on May 4, 2024.