Federal Reserve Bank of San Francisco. "1951 Index," Economic Review (Federal Reserve Bank of San Francisco) (1951). https://fraser.stlouisfed.org/title/869/item/33553, accessed on March 29, 2024.
Federal Reserve Bank of San Francisco. "1951 Index," Economic Review (Federal Reserve Bank of San Francisco) (1951). https://fraser.stlouisfed.org/title/869/item/33553, accessed on March 29, 2024.