Federal Reserve Bank of Chicago. "March 1942," Business Conditions (Federal Reserve Bank of Chicago) (March 1942). https://fraser.stlouisfed.org/title/5562/item/539949, accessed on May 10, 2024.
Federal Reserve Bank of Chicago. "March 1942," Business Conditions (Federal Reserve Bank of Chicago) (March 1942). https://fraser.stlouisfed.org/title/5562/item/539949, accessed on May 10, 2024.