Federal Reserve Bank of Chicago. "May 1, 1929, Volume 12, Number 5," Business Conditions (Federal Reserve Bank of Chicago) (May 1, 1929). https://fraser.stlouisfed.org/title/5562/item/574521, accessed on May 2, 2024.
Federal Reserve Bank of Chicago. "May 1, 1929, Volume 12, Number 5," Business Conditions (Federal Reserve Bank of Chicago) (May 1, 1929). https://fraser.stlouisfed.org/title/5562/item/574521, accessed on May 2, 2024.