Federal Reserve Bank of San Francisco. "October 1967," Economic Review (Federal Reserve Bank of San Francisco) (October 1967). https://fraser.stlouisfed.org/title/869/item/33437, accessed on May 1, 2024.
Federal Reserve Bank of San Francisco. "October 1967," Economic Review (Federal Reserve Bank of San Francisco) (October 1967). https://fraser.stlouisfed.org/title/869/item/33437, accessed on May 1, 2024.