The Records of the Committee of Concerned Scientists consist of a wide variety of materials that the group retained to track its own action and progress. Materials document CSS involvement in many countries, but place a significant emphasis on aid to scientists in the Soviet Union and Eastern Europe. Much of the collection also relates to the work of Dorothy Hirsch, who was an active member of CCS from 1977 to 2003 and an executive vice president. Materials include correspondence, administrative records, petition forms, annual and financial reports, fundraising records, press releases, photographs, and audiocassettes.