Federal Reserve Bank of Chicago. "November 30, 1921, Volume 4, Number 11," Business Conditions (Federal Reserve Bank of Chicago) (November 30, 1921). https://fraser.stlouisfed.org/title/5562/item/574431, accessed on May 4, 2024.
Federal Reserve Bank of Chicago. "November 30, 1921, Volume 4, Number 11," Business Conditions (Federal Reserve Bank of Chicago) (November 30, 1921). https://fraser.stlouisfed.org/title/5562/item/574431, accessed on May 4, 2024.