Federal Reserve Bank of San Francisco. "May 1961," Economic Review (Federal Reserve Bank of San Francisco) (May 1961). https://fraser.stlouisfed.org/title/869/item/33463, accessed on April 18, 2024.
Federal Reserve Bank of San Francisco. "May 1961," Economic Review (Federal Reserve Bank of San Francisco) (May 1961). https://fraser.stlouisfed.org/title/869/item/33463, accessed on April 18, 2024.