Federal Reserve Bank of San Francisco. "September 20, 1927," Economic Review (Federal Reserve Bank of San Francisco) (September 20, 1927). https://fraser.stlouisfed.org/title/869/item/33587, accessed on May 11, 2024.
Federal Reserve Bank of San Francisco. "September 20, 1927," Economic Review (Federal Reserve Bank of San Francisco) (September 20, 1927). https://fraser.stlouisfed.org/title/869/item/33587, accessed on May 11, 2024.