Federal Reserve Bank of Chicago. "September 1, 1926, Volume 9, Number 9," Business Conditions (Federal Reserve Bank of Chicago) (September 1, 1926). https://fraser.stlouisfed.org/title/5562/item/574489, accessed on May 4, 2024.
Federal Reserve Bank of Chicago. "September 1, 1926, Volume 9, Number 9," Business Conditions (Federal Reserve Bank of Chicago) (September 1, 1926). https://fraser.stlouisfed.org/title/5562/item/574489, accessed on May 4, 2024.