http://www.eugeo.org/	148
http://www.gatm.org.uk/	106
http://www.census.gov/	111
http://www.ined.fr/	106
http://epp.eurostat.ec.europa.eu/portal/page/portal/eurostat/home	103
http://www.un.org/en/development/desa/population	106
http://www.lib.utexas.edu/maps/index.html	116
http://www.nationalgeographic.com/	119
http://www.mondialisations.org/php/public/index.php	113
http://www.inegalites.fr/	104
http://www.herodote.org/index.php	104
http://www.worldmapper.org/	115
http://www.transnationale.org/	96
http://project.oldmapsonline.org/collections	97
http://www.daftlogic.com/projects-google-maps-distance-calculator.htm	102