Federal Reserve Bank of San Francisco. "July 20, 1931," Economic Review (Federal Reserve Bank of San Francisco) (July 20, 1931). https://fraser.stlouisfed.org/title/869/item/33514, accessed on May 6, 2024.
Federal Reserve Bank of San Francisco. "July 20, 1931," Economic Review (Federal Reserve Bank of San Francisco) (July 20, 1931). https://fraser.stlouisfed.org/title/869/item/33514, accessed on May 6, 2024.