United States. General Accounting Office and United States. Government Accountability Office. "The Federal Reserve Should Move Faster to Eliminate Subsidy of Check Clearing Operations : Report to the Congress by the Comptroller General of the United States" in GAO Reports & Testimonies (May 7, 1982). https://fraser.stlouisfed.org/title/6136/item/622181, accessed on July 7, 2025.