Federal Reserve Bank of Chicago. "May 28, 1937, Volume 20, Number 5," Business Conditions (Federal Reserve Bank of Chicago) (May 28, 1937). https://fraser.stlouisfed.org/title/5562/item/539892, accessed on March 29, 2024.
Federal Reserve Bank of Chicago. "May 28, 1937, Volume 20, Number 5," Business Conditions (Federal Reserve Bank of Chicago) (May 28, 1937). https://fraser.stlouisfed.org/title/5562/item/539892, accessed on March 29, 2024.