"ICPSR acquires, preserves, enhances, and distributes original social science research data for research and instruction."
Be sure to click on Find Publications to locate thousands of citations of works -- including journal articles, books, conferenence papers, government and agency reports and more - using data held in the ICPSR archive.
"Since 1972, the General Social Survey (GSS) has been monitoring societal change and studying the growing complexity of American society. GSS Data Explorer, from NORC at the University of Chicago, makes it easier than ever to use the data collected by the GSS."
"SHARE is a higher education initiative whose mission is to maximize research impact by making a comprehensive inventory of research widely accessible, discoverable, and reusable. To fulfill this mission SHARE is building a free, open data set about research and scholarly activities across their life cycle."