Federal Reserve Bank of Chicago. "February 25, 1920," Business Conditions (Federal Reserve Bank of Chicago) (February 25, 1920). https://fraser.stlouisfed.org/title/5562/item/574411, accessed on March 28, 2024.
Federal Reserve Bank of Chicago. "February 25, 1920," Business Conditions (Federal Reserve Bank of Chicago) (February 25, 1920). https://fraser.stlouisfed.org/title/5562/item/574411, accessed on March 28, 2024.