Board of Governors of the Federal Reserve System (U.S.). Division of Research and Statistics. "June 1983 : Quarterly Series," E.15 Agricultural Finance Databook (). https://fraser.stlouisfed.org/title/1279/item/530726, accessed on April 19, 2024.
Board of Governors of the Federal Reserve System (U.S.). Division of Research and Statistics. "June 1983 : Quarterly Series," E.15 Agricultural Finance Databook (). https://fraser.stlouisfed.org/title/1279/item/530726, accessed on April 19, 2024.