Federal Reserve Bank of San Francisco. "Optimistic Cattlemen," Economic Letter (Federal Reserve Bank of San Francisco) (August 1, 1975). https://fraser.stlouisfed.org/title/4960/item/527210, accessed on May 18, 2022.
Federal Reserve Bank of San Francisco. "Optimistic Cattlemen," Economic Letter (Federal Reserve Bank of San Francisco) (August 1, 1975). https://fraser.stlouisfed.org/title/4960/item/527210, accessed on May 18, 2022.