Federal Reserve Bank of Chicago. "2023 Annual Report : Financial Statements As of and for the Years Ended December 31, 2023 and 2022 and Independent Auditors' Report," Annual Report of the Federal Reserve Bank of Chicago (2024). https://fraser.stlouisfed.org/title/472/item/680855/content/pdf/chicagofinstmt2023, accessed on March 17, 2026.