http://www.eugeo.org/	151
http://www.gatm.org.uk/	110
http://www.census.gov/	115
http://www.ined.fr/	110
http://epp.eurostat.ec.europa.eu/portal/page/portal/eurostat/home	108
http://www.un.org/en/development/desa/population	110
http://www.lib.utexas.edu/maps/index.html	121
http://www.nationalgeographic.com/	123
http://www.mondialisations.org/php/public/index.php	116
http://www.inegalites.fr/	107
http://www.herodote.org/index.php	105
http://www.worldmapper.org/	119
http://www.transnationale.org/	100
http://project.oldmapsonline.org/collections	101
http://www.daftlogic.com/projects-google-maps-distance-calculator.htm	107