Federal Reserve Bank of Boston. "2021 Annual Report : Financial Statements as of and for the Years Ended December 31, 2021 and 2020 and Independent Auditors' Report,"
Annual Report of the Federal Reserve Bank of Boston
(as of December 31, 2021).
https://fraser.stlouisfed.org/title/465/item/678211/content/pdf/2021_frbboston_annualreport_financials, accessed on March 3, 2026.