Federal Reserve Bank of San Francisco. "December 20, 1927," Economic Review (Federal Reserve Bank of San Francisco) (December 20, 1927). https://fraser.stlouisfed.org/title/869/item/33590, accessed on April 18, 2024.
Federal Reserve Bank of San Francisco. "December 20, 1927," Economic Review (Federal Reserve Bank of San Francisco) (December 20, 1927). https://fraser.stlouisfed.org/title/869/item/33590, accessed on April 18, 2024.