Federal Reserve Bank of Chicago. "November 30, 1931, Volume 14, Number 12," Business Conditions (Federal Reserve Bank of Chicago) (November 30, 1931). https://fraser.stlouisfed.org/title/5562/item/539826, accessed on May 8, 2024.
Federal Reserve Bank of Chicago. "November 30, 1931, Volume 14, Number 12," Business Conditions (Federal Reserve Bank of Chicago) (November 30, 1931). https://fraser.stlouisfed.org/title/5562/item/539826, accessed on May 8, 2024.