Federal Reserve Bank of San Francisco. "February 20, 1928," Economic Review (Federal Reserve Bank of San Francisco) (February 20, 1928). https://fraser.stlouisfed.org/title/869/item/33592, accessed on April 18, 2024.
Federal Reserve Bank of San Francisco. "February 20, 1928," Economic Review (Federal Reserve Bank of San Francisco) (February 20, 1928). https://fraser.stlouisfed.org/title/869/item/33592, accessed on April 18, 2024.