Federal Reserve Bank of Chicago. "August 25, 1920," Business Conditions (Federal Reserve Bank of Chicago) (August 25, 1920). https://fraser.stlouisfed.org/title/5562/item/574416, accessed on April 19, 2024.
Federal Reserve Bank of Chicago. "August 25, 1920," Business Conditions (Federal Reserve Bank of Chicago) (August 25, 1920). https://fraser.stlouisfed.org/title/5562/item/574416, accessed on April 19, 2024.