Federal Reserve Bank of Chicago. "July 31, 1922, Volume 5, Number 7," Business Conditions (Federal Reserve Bank of Chicago) (July 31, 1922). https://fraser.stlouisfed.org/title/5562/item/574439, accessed on March 28, 2024.
Federal Reserve Bank of Chicago. "July 31, 1922, Volume 5, Number 7," Business Conditions (Federal Reserve Bank of Chicago) (July 31, 1922). https://fraser.stlouisfed.org/title/5562/item/574439, accessed on March 28, 2024.