Federal Reserve Bank of Chicago. "November 1, 1928, Volume 11, Number 11," Business Conditions (Federal Reserve Bank of Chicago) (November 1, 1928). https://fraser.stlouisfed.org/title/5562/item/574515, accessed on March 28, 2024.
Federal Reserve Bank of Chicago. "November 1, 1928, Volume 11, Number 11," Business Conditions (Federal Reserve Bank of Chicago) (November 1, 1928). https://fraser.stlouisfed.org/title/5562/item/574515, accessed on March 28, 2024.