Petrus, Mary Helen. "Shaken to Their Foundations," in Federal Reserve Bank of Cleveland. "Fall 2012, Vol. 3, No. 3," Forefront (Federal Reserve Bank of Cleveland) (2013-01-24) : 6-9. https://fraser.stlouisfed.org/title/6763/item/627566/toc/635355 , accessed on July 10, 2024.