Board of Governors of the Federal Reserve System (U.S.), 1935- and Brimmer, Andrew F. "Bank Credit Cards and Check-Credit Plans: Development and Implications." Remarks before a Joint Luncheon of Commercial Bankers and the Board of Directors of the Federal Reserve Bank of San Francisco, San Francisco, California, August 3, 1967, https://fraser.stlouisfed.org/title/463/item/10331, accessed on January 9, 2025.