http://people-press.org/

http://www.pdkintl.org/kappan/k0509pol.htm#order

http://pewhispanic.org/

http://www.ruf.rice.edu/~pbrace/statecourt/

http://cow2.la.psu.edu/

http://www.electionstudies.org/

http://www.ropercenter.uconn.edu/

http://www.ropercenter.uconn.edu/research/other_data_archives.html

http://www.unc.edu/~beyle/

http://www.worldvaluessurvey.org/

http://pss.la.psu.edu/TRD_DATA.htm

http://www.census.gov/foreign-trade/www/

http://www.bls.gov/

http://garnet.acns.fsu.edu/~phensel/intlpoli.html