Louis Harris Data Center DataverseMore than 1,000 Harris polls from as early as 1958 are archived at the Center and contain over 160,000 questions asked of more than 1,200,000 respondents. Respondent groups range from national cross-section samples to such special populations as Vietnam veterans, Hispanics, teenagers, and the elderly. The surveys also cover a diverse range of topics, such as aging, environmental issues, leisure and the arts, business, foreign affairs, presidential ratings, health care, attitudes toward government, and crime.