Illinois State University is a member of ICPSR (Inter-University Consortium for Political and Social Research). Through ICPSR, students at ISU have access to the world's largest archive of secondary data for the social sciences. ICPSR includes data on crime, education, aging, health care, substance abuse and mental health, political data, social institutions, etc.
General Social Survey
This site offers browsing of GSS variables, data analysis, codebook and the full text of many reports and publications.