Academic Research

Law

• Cornell Legal Information Institute
• Rutherford Institute

Data and Statistics

• The Gallup Organization 
  Findings from recent polls
• The Inter-University Consortium for Political and Social Research 
• University of Michigan Statistical Resources on the Web

Government Research Sites

• Thomas
• FEDWorld
• US Department of Justice
• Department of State International Information Programs
• The Library of Congress  

Political Science

• Political Science Resources 
  International political sites, government sites, election results, etc.
• Political Science Associations: British or American (APSA)
• Sub-fields: International Affairs
• National Election Studies

Social Science

• Geospatial and Statistical Data Center
• Social Science Information Gateway
• Social Science Data Archives - SSDA
• Social Sciences Data Collection (UCSD)

Finance and Economics

• Working Papers in Economics
• World Bank Home Page
• Moving Ideas
• Virtual Finance Library
• University of Michigan Economics Department
• WebEc

Private Research Organizations & Associations

• The American Enterprise Institute
• The Aspen Institute
• The Brookings Institute
• Canadian Political Science Association
• Cascade Policy Institute
• Cato Institute
• C.D. Howe Institute
• Center for Democracy and Technology
• Center for Congressional and Presidential Studies
• Center For Strategic & International Studies
• Center for the American Woman and Politics 
  (Rutgers University)
• Center On Budget & Policy Priorities
• Claremont Insititute
• Project on Defense Alternatives
• Competitive Enterprise Institute
• The Congressional Institute
• CIESIN 
  Consortium for International Earth Science Information Network
• Economic Policy Institute
• Empower America
• The Federal Elections Project
• Freedom Forum
• George C. Marshall Foundation
• Heritage Foundation
• Hoover Institute
• Hudson Institute
• The Independent Institute
• Institute for Agriculture & Trade Policy
• Institute for Policy Innovation
• Institute for Policy Analysis 
  (University of Toronto)
• Institute for Policy Research 
  (Northwestern University)
• Institute for Research on Poverty 
  (University of Wisconsin - Madison)
• Institute for the Study of Diplomacy 
  (Georgetown University)
• Institute of Public Policy 
  (George Mason University)
• Institute For Public Policy & Research, Michigan State University
• IIASA 
  The International Institute for Applied Systems Analysis
• International Institute for Strategic Studies
• International Relations and Security Network 
  (Center for Security Studies and Conflict Resolution)
• Massachusetts Institute for a New Commonwealth
• National Center for Public Policy Research
• National Political Index
• National Political Index - Political Think Tank
• Northeast-Midwest Institute
• Progress and Freedom Foundation
• Rand Corporation
• Reason Foundation
• SIPRI  
  Stockholm International Peace Research Institute
• State Think Tanks
• Town Hall
• TRAC: Transactional Records Access Clearinghouse 
  (Syracuse University) Catalog of computerized data files on federal law enforcement activities
• Twentieth Century Fund
• Urban Institute
• Washington Institute for Public Studies
• World Resources Institute
• World Conservation Monitoring Centre
• Worldwatch Institute