Federal Reserve Bank of Chicago. "April 1, 1926, Volume 9, Number 4," Business Conditions (Federal Reserve Bank of Chicago) (April 1, 1926). https://fraser.stlouisfed.org/title/5562/item/574484, accessed on April 23, 2024.
Federal Reserve Bank of Chicago. "April 1, 1926, Volume 9, Number 4," Business Conditions (Federal Reserve Bank of Chicago) (April 1, 1926). https://fraser.stlouisfed.org/title/5562/item/574484, accessed on April 23, 2024.