Federal Reserve Bank of St. Louis. "Annual Report 2017, Part 1 : Financial Statements : Unconventional: A Policymaker's Reflections on Crisis to Recovery," Annual Report of the Federal Reserve Bank of St. Louis (as of December 31, 2017). https://fraser.stlouisfed.org/title/149/item/682776/content/pdf/stlouisfinstmt2017, accessed on August 14, 2026.