Allardice, David R. and Giese, Alenka S. "Economic Development Efforts in the Seventh District," in Federal Reserve Bank of Chicago. "September/October 1987, Volume XI, Issue 5," Economic Perspectives (Federal Reserve Bank of Chicago) (September/October 1987) : 32-37. https://fraser.stlouisfed.org/title/5288/item/552457/toc/521865 , accessed on May 9, 2024.