Federal Reserve Bank of Chicago. "December 29, 1937, Volume 20, Number 12," Business Conditions (Federal Reserve Bank of Chicago) (December 29, 1937). https://fraser.stlouisfed.org/title/5562/item/539899, accessed on April 25, 2024.
Federal Reserve Bank of Chicago. "December 29, 1937, Volume 20, Number 12," Business Conditions (Federal Reserve Bank of Chicago) (December 29, 1937). https://fraser.stlouisfed.org/title/5562/item/539899, accessed on April 25, 2024.