Brookings InstituteThe Brookings Institution is a nonprofit public policy organization that conducts policy research and provides recommendations or policy change.
Pew The Pew Research Center is an independent, non-partisan public opinion research organization that studies attitudes toward politics, the press and public policy issues.
Policy Agendas Project The Policy Agendas Project collects and organizes data from various archived sources to trace changes in the national policy agenda and public policy outcomes since the Second World War, including congressional hearing, roll call votes, executive orders, supreme court cases etc.
Policy Archive Online archive of public policy research. Access open to all Internet users.
Rand Corporation A research organization that develops solutions to public policy challenges to make communities safer.
Think Tanks (Harvard Kennedy School Library) Harvard's Kennedy School of Government Library compiles a list of links to public policy think tanks. Access open to all Internet users.