Rauber, Earle L. (Earle Leroy). "Realm of the Red Queen," in Federal Reserve Bank of Atlanta. "January 31, 1956," Economic Review (Federal Reserve Bank of Atlanta) (January 31, 1956) : 3-4. https://fraser.stlouisfed.org/title/884/item/35183/toc/138937 , accessed on April 18, 2024.