Federal Reserve Bank of San Francisco. "June 20, 1931," Economic Review (Federal Reserve Bank of San Francisco) (June 20, 1931). https://fraser.stlouisfed.org/title/869/item/33948, accessed on April 30, 2024.
Federal Reserve Bank of San Francisco. "June 20, 1931," Economic Review (Federal Reserve Bank of San Francisco) (June 20, 1931). https://fraser.stlouisfed.org/title/869/item/33948, accessed on April 30, 2024.