FCT - http://alfa.fct.mctes.pt/

INE - http://www.ine.pt/

Guia Virtual de Ciências Sociais do ICS - http://www.ics.ul.pt/guiavirtual/

Biblioteca Nacional - http://www.bn.pt/

NIDI - http://www.nidi.knaw.nl/smartsite.dws?lang=UK&ch=NID&id=2807

UISSP - http://www.iussp.org/

The World-Wide Web Virtual Library - http://vlib.org/

INED - http://www.ined.fr/

AIDELF - http://www.aidelf.org/

Office of Population Research - http://opr.princeton.edu/

Population Index - http://popindex.princeton.edu/

PAA - http://www.populationassociation.org/

ADEH - http://www.ucm.es/info/adeh/

CEDEPLAR - http://www.cedeplar.ufmg.br/

Population - http://www.ined.fr/publications/population/index.html

Population and Development Review - http://www.popcouncil.org/pdr/

Demography - http://muse.jhu.edu/journals/dem/

Population Studies - http://www.lse.ac.uk/Depts/pic/

Revue européenne de Démographie - http://www.wkap.nl/journalhome.htm/0168-6577

Observatório da Imigração - http://www.oi.acidi.gov.pt/

Observatório da Emigração - http://www.observatorioemigracao.secomunidades.pt/np4/observatorio.html

Population Europe - http://www.population-europe.eu

Pordata - http://www.pordata.pt/azap_runtime/

Eurostat - http://epp.eurostat.ec.europa.eu/portal/page/portal/eurostat/home

ABEP - http://www.abep.org.br/usuario/GerenciaNavegacao.php?caderno_id=&nivel=0

ASA - http://www.asanet.org/

ONU - http://www.un.org/en/index.shtml

ONU- Department of Economic and Social Affairs. Population Division - http://www.un.org/esa/population/

ONU- Base de dados - http://www.un.org/en/databases/index.shtml