Federal Reserve Bank of San Francisco. "July 1967," Economic Review (Federal Reserve Bank of San Francisco) (July 1967). https://fraser.stlouisfed.org/title/869/item/33431, accessed on April 18, 2024.
Federal Reserve Bank of San Francisco. "July 1967," Economic Review (Federal Reserve Bank of San Francisco) (July 1967). https://fraser.stlouisfed.org/title/869/item/33431, accessed on April 18, 2024.