Federal Reserve Bank of Chicago. "May 1942," Business Conditions (Federal Reserve Bank of Chicago) (May 1942). https://fraser.stlouisfed.org/title/5562/item/539951, accessed on April 24, 2024.
Federal Reserve Bank of Chicago. "May 1942," Business Conditions (Federal Reserve Bank of Chicago) (May 1942). https://fraser.stlouisfed.org/title/5562/item/539951, accessed on April 24, 2024.