Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application of Citicorp to execute and clear futures contracts on a municipal bond index and to provide futures advisory services" in Press Releases of the Board of Governors of the Federal Reserve System
(August 19, 1985).
https://fraser.stlouisfed.org/title/9237/item/696672, accessed on January 17, 2026.