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NetLibrary, Inc.109United States Congress41United States Congress > House22United States Congress > Senate19Dallas TeleLearning (Firm)18Dyer, Julia18Thomson Gale (Firm)18EBSCO Publishing (Firm)17BBC Worldwide Ltd.14Congressional Quarterly, inc12Council on Foreign Relations11Herlihy, Ed11Library of Congress11National Archives (U.S.)11Universal International News11Gaddis, John Lewis10United States Congress > Senate > Committee on Foreign Relations10Crabb, Cecil V., Jr., 1924-20039Thompson, Kenneth W., 1921-20139United States Department of State9