Federal Reserve Bank of Chicago. "June 1, 1925, Volume 8, Number 6," Business Conditions (Federal Reserve Bank of Chicago) (June 1, 1925). https://fraser.stlouisfed.org/title/5562/item/574474, accessed on April 23, 2024.
Federal Reserve Bank of Chicago. "June 1, 1925, Volume 8, Number 6," Business Conditions (Federal Reserve Bank of Chicago) (June 1, 1925). https://fraser.stlouisfed.org/title/5562/item/574474, accessed on April 23, 2024.