Tillman, Vickie A. Testimony of Vickie A. Tillman, Executive Vice President, Standard & Poor's Credit Market Services : Before the Subcommittee on Capital Markets, Insurance and Government Sponsored Enterprises, United States House of Representatives, September 27, 2007 , June 27, 2007, https://fraser.stlouisfed.org/title/5073, accessed on October 15, 2024.