Federal Reserve Bank of Chicago. "March 25, 1919," Business Conditions (Federal Reserve Bank of Chicago) (March 25, 1919). https://fraser.stlouisfed.org/title/5562/item/574400, accessed on April 18, 2024.
Federal Reserve Bank of Chicago. "March 25, 1919," Business Conditions (Federal Reserve Bank of Chicago) (March 25, 1919). https://fraser.stlouisfed.org/title/5562/item/574400, accessed on April 18, 2024.