Board of Governors of the Federal Reserve System (U.S.), 1935-. "Approval of application of Mercantile Bancorporation, Inc., to engage de novo in the issuance and sale of travelers checks" in Press Releases of the Board of Governors of the Federal Reserve System
(November 13, 1981).
https://fraser.stlouisfed.org/title/9237/item/695513, accessed on January 14, 2026.