Federal Reserve Bank of Chicago. "January 28, 1937, Volume 20, Number 1," Business Conditions (Federal Reserve Bank of Chicago) (January 28, 1937). https://fraser.stlouisfed.org/title/5562/item/539888, accessed on April 30, 2024.
Federal Reserve Bank of Chicago. "January 28, 1937, Volume 20, Number 1," Business Conditions (Federal Reserve Bank of Chicago) (January 28, 1937). https://fraser.stlouisfed.org/title/5562/item/539888, accessed on April 30, 2024.