Federal Reserve Bank of Chicago. "September 1, 1923, Volume 6, Number 9," Business Conditions (Federal Reserve Bank of Chicago) (September 1, 1923). https://fraser.stlouisfed.org/title/5562/item/574453, accessed on April 18, 2024.
Federal Reserve Bank of Chicago. "September 1, 1923, Volume 6, Number 9," Business Conditions (Federal Reserve Bank of Chicago) (September 1, 1923). https://fraser.stlouisfed.org/title/5562/item/574453, accessed on April 18, 2024.