Federal Reserve Bank of Chicago. "October 1, 1929, Volume 12, Number 10," Business Conditions (Federal Reserve Bank of Chicago) (October 1, 1929). https://fraser.stlouisfed.org/title/5562/item/574526, accessed on May 3, 2024.
Federal Reserve Bank of Chicago. "October 1, 1929, Volume 12, Number 10," Business Conditions (Federal Reserve Bank of Chicago) (October 1, 1929). https://fraser.stlouisfed.org/title/5562/item/574526, accessed on May 3, 2024.