Karrenbrock, Jeffrey D. "The 1988 Drought : Its Impact on District Agriculture," in Federal Reserve Bank of St. Louis. "May/June 1989," Review (Federal Reserve Bank of St. Louis) (May/June 1989) : 4-14. https://fraser.stlouisfed.org/title/820/item/24537/toc/499905 , accessed on April 18, 2024.