Federal Reserve Bank of Chicago. "February 1952," Business Conditions (Federal Reserve Bank of Chicago) (February 1952). https://fraser.stlouisfed.org/title/5562/item/540068, accessed on April 26, 2024.
Federal Reserve Bank of Chicago. "February 1952," Business Conditions (Federal Reserve Bank of Chicago) (February 1952). https://fraser.stlouisfed.org/title/5562/item/540068, accessed on April 26, 2024.