http://www.uscis.gov/

The U.S. Immigration and Naturalization Service provides information on immigration law, statistics, and immigration forms at this site.

http://www.newschool.edu/nssr/centers-special-programs/?id=104460

This is the home page of Zolberg Institute on Migration and Mobility based at the New School for Social Research (New York City). It has numerous study and policy analysis reports as well as links to related resources around the world.

http://www.eui.eu/departmentsandcentres/robertschumancentre/research/migration/index.aspx

This is the home page of the European University Institute's center on migration. It has number of studies on immigration to Europe.

http://www.fmreview.org

This is the online version of the journal Forced Migration Review, published at Oxford University.

www.ilo.org/public/english/protection/migrant/

The ILO's International Labour Migration pages give access to information about the benefits and concerns that arise from international labor migration. The pages give access to ILO International Labor Migration publications, as well as the ILM database, which currently gives access to information and statistics on documented migration.

http://www.juliansimon.com/

This site contains the text of "The Economic Consequences of Immigration into the United States" by Julian Simon, the late, highly influential population economist.

http://www.migpolgroup.com/

This web site, maintained by the Migration Policy Group (MPG), contains facts, figures, and discussion of human rights and related issues.

https://www.iom.int/migration

This is the home page of the advocacy and support group the International Organization for Migration.

http://econ.worldbank.org/

This is the World Bank's page on immigration and remittances.

http://www.opensocietyfoundations.org/about/programs/international-migration-initiative

This is the site has a number of archived studies on immigration and human rights maintained by the Open Society Institute (Soros Foundation), a leading private human rights organization.