Federal Reserve Bank of Chicago. "March 31, 1932, Volume 15, Number 4," Business Conditions (Federal Reserve Bank of Chicago) (March 31, 1932). https://fraser.stlouisfed.org/title/5562/item/539830, accessed on April 28, 2024.
Federal Reserve Bank of Chicago. "March 31, 1932, Volume 15, Number 4," Business Conditions (Federal Reserve Bank of Chicago) (March 31, 1932). https://fraser.stlouisfed.org/title/5562/item/539830, accessed on April 28, 2024.