Immigrations Policy Center
www.immigrationpolicy.org

Electronic Records Archive
www.archives.gov/electronic_records_archives/index.html

The Polish American Historical Association (PAHA)
polishamericanstudies.org

Balch Institute for Ethnic Studies, Philadelphia
www.balchinstitute.org

Center for Migration Studies in Staten Island, New York
www.cmsny.org/

Migration News (newsletter on current immigration issues)
migration.ucdavis.edu/mn/

University College, London, and its Department of Geography
www.geog.ucl.ac.uk/mru/europe.html

Asian American Studies Center, UCLA
www.aasc.ucla.edu/default.asp

American Political Science Association Section on Race, Ethnicity and Politics
www.apsanet.org/~rep/

American Jewish History Society
www.ajhs.org

The American Jewish Archives at Hebrew Union College in Cincinnati
americanjewisharchives.org

H-Net's H-ETHNIC Discussion group (archives)
www2.h-net.msu.edu/~ethnic

The center for Immigration Studies
www.cis.org/

Statue of Liberty-Ellis Island Foundation/American Family Immigration History Center
www.ellisisland.org/

U.S. Census Bureau, population data
www.census.gov