Federal Reserve Bank of Chicago. "January 31, 1922, Volume 5, Number 1," Business Conditions (Federal Reserve Bank of Chicago) (January 31, 1922). https://fraser.stlouisfed.org/title/5562/item/574433, accessed on April 18, 2024.
Federal Reserve Bank of Chicago. "January 31, 1922, Volume 5, Number 1," Business Conditions (Federal Reserve Bank of Chicago) (January 31, 1922). https://fraser.stlouisfed.org/title/5562/item/574433, accessed on April 18, 2024.