Federal Reserve Bank of Chicago. "March 27, 1937, Volume 20, Number 3," Business Conditions (Federal Reserve Bank of Chicago) (March 27, 1937). https://fraser.stlouisfed.org/title/5562/item/539890, accessed on April 30, 2024.
Federal Reserve Bank of Chicago. "March 27, 1937, Volume 20, Number 3," Business Conditions (Federal Reserve Bank of Chicago) (March 27, 1937). https://fraser.stlouisfed.org/title/5562/item/539890, accessed on April 30, 2024.