Eurostat
http://europa.eu.int/comm/eurostat

Instituto Nacional de Estatística
http://www.ine.pt

Agora – o portal da sociologia francófona
http://www.agorasoc.ovh.org

Research Engines for the Social Sciences
http://www.socsciresearch.com

Sociosite
http://www.pscw.uva.nl/sociosite

The Socioweb
http://www.socioweb.com/~markbl/socioweb

WWW Virtual Library: Sociology
http://www.mcmaster.ca/socscidocs/w3virtsoclib/index.htm

The European Observatory on the Social Situation, Demography and Family at the Austrian Institute for Families Studies
http://europa.eu.int/comm/employment_social/family/observatory/research.html

Projecto "Gender, Parenthood and Changing European Workplace: Young Adults Negotiating the Work-Family Boundary (TRANSITIONS)"
http://www.workliferesearch.org/transitions

ICPSR
http://www.icpsr.umich.edu/

WEB OF KNOWLEDGE
http://portal15.isiknowledge.com/portal.cgi

http://www.cienciapt.net/sciencelibrary