Federal Reserve Bank of Chicago. "June 1, 1926, Volume 9, Number 6," Business Conditions (Federal Reserve Bank of Chicago) (June 1, 1926). https://fraser.stlouisfed.org/title/5562/item/574486, accessed on May 2, 2024.
Federal Reserve Bank of Chicago. "June 1, 1926, Volume 9, Number 6," Business Conditions (Federal Reserve Bank of Chicago) (June 1, 1926). https://fraser.stlouisfed.org/title/5562/item/574486, accessed on May 2, 2024.