Federal Reserve Bank of Boston. "2017 Annual Report : Financial Statements as of and for the Years Ended December 31, 2017 and 2016 and Independent Auditors' Report," Annual Report of the Federal Reserve Bank of Boston (as of December 31, 2017). https://fraser.stlouisfed.org/title/465/item/678207/content/pdf/2017_frbboston_annualreport, accessed on October 15, 2026.