Annenberg Public Policy Center
http://www.annenbergpublicpolicycenter.org
This policy center produces research that looks at the role of communication in politics, adolescent behavior, chlid development, health care, civics and mental health, and other areas.

Center for Strategic & International Studies
http://csis.org
An international policy institute, the CSIS focuses on a number of topics including defense and security, governance, technology and global trends.

Policy Archive
http://www.policyarchive.org
This collection of public policy research is gathered from sources such as the American Bar Association, the Brookings Institution, the Ford Foudnation, the Institute for Policy Studies, and others.

RAND Institute
http://www.rand.org
The RAND institute provides research in a variety of areas such as arts, civil justice, education, national security, public safety, and other areas.