Internships in America:

American Enterprise Institute for Public Policy Research (AEI)

 http://www.aei.org/about/contentID.20038142214000060/default.asp

American Foreign Policy Council (AFPC)

 http://www.afpc.org/op.shtml

Asia Society

http://www.asiasociety.org/about/careers.html

The Brookings Institute

 http://www.brookings.edu/admin/internships.htm
Carnegie Council on Ethics and International Affairs (CCEIA) http://www.cceia.org/page.php/prmID/49?PHPSESSID=fd47fabf06b02b027a1da8ca799ba827
The Carter Center http://www.cartercenter.org/aboutus/education_doc.htm
Cascade Policy Institute http://www.cascadepolicy.org/pdf/interns.pdf
Cato Institute http://www.cato.org/jobs/intern/
Center for Defense Information http://www.cdi.org/about/internships.cfm
Center for International Policy http://www.ciponline.org/handbook.htm
Center for National Policy http://www.cnponline.org/employment.htm
Center for Strategic and International Studies http://www.csis.org/intern/index.htm

The Century Institute

 http://www.centuryinstitute.org/interns/index.asp

Committee for Economic Development

 http://www.ced.org/join/internships.shtml
Committee to Protect Journalists http://www.cpj.org/zinfo/jobs_open_cpj.html
Council on Foreign Relations http://www.cfr.org/about/jobs.php
EastWest Institute http://www.ewi.info/jobs/index.cfm?title=Jobs%20%40%20EWI%20&l1=About%20EWI&l2=Jobs
Economic Strategy Institute http://www.econstrat.org/AboutUs/internships.html
The Eisenhower Institute http://www.eisenhowerinstitute.org/about/internship.htm
Ethics and Public Policy Center http://www.eppc.org/about/pageID.26/default.asp
Foreign Policy Research Institute http://www.fpri.org/about/internships.html
Freedom House http://www.freedomhouse.org/involved/internships.htm
The Heritage Foundation http://www.heritage.org/About/Internships/index.cfm
Hudson Institute Inc. http://www.hudson.org/learn/index.cfm?fuseaction=internship_home
Human Rigths Watch http://www.hrw.org/internships/
The Independent Institute http://www.independent.org/students/internships/
Institute for Food and Development (Food First) https://commerce12.pair.com/~pront011/join/intern.html
Institute for Foreign Policy Analysis, Inc. http://www.ifpa.org/staff/internships.htm
The Institute for Policy Studies (IPS) http://www.ips-dc.org/projects/internship.htm
Inter-American Dialouge (IAD) http://www.thedialogue.org/employment/intern.asp
The National Bureau of Asian Research (NBR) http://www.nbr.org/about%5FNBR/join_nbr/index.html
The National Center for Policy Analysis (NCPA) http://www.ncpa.org/abo/jobs/intern.pdf
National Institutue for Public Policy (NIPP) http://www.nipp.org/internships.php
Pacific Research Institute for Public Policy (PRI) http://www.pacificresearch.org/about/careers.html
Population Council http://www.popcouncil.org/opportunities/internships.html
Public Policy Institute of California http://www.ppic.org/main/position.asp?i=1201
Resources for the Future http://www.rff.org/rff/About/Fellowships_and_Internships/Index.cfm
The Southern Center for International Studies http://www.southerncenter.org/library.html
The Urban Institute http://www.urban.org/content/About/Employment/Internships/Internships.htm
The Washington Institute for Near East Policy http://www.washingtoninstitute.org/
Western Policy Center http://www.westernpolicy.org//Secondary.asp?PageName=Programs
Winrock International Institute for Agricultural Development http://www.winrock.org/who/current_job_listings.cfm
Woodrow Wilson International Center for Scholars http://wwics.si.edu/index.cfm?fuseaction=opportunities.welcome
World Policy Institute http://www.worldpolicy.org/wpi/intern.html
Worldwatch Institute http://www.worldwatch.org/about/jobs/