http://www.eugeo.org/	244
http://www.gatm.org.uk/	194
http://www.census.gov/	179
http://www.ined.fr/	198
http://epp.eurostat.ec.europa.eu/portal/page/portal/eurostat/home	162
http://www.un.org/en/development/desa/population	183
http://www.lib.utexas.edu/maps/index.html	202
http://www.nationalgeographic.com/	203
http://www.mondialisations.org/php/public/index.php	187
http://www.inegalites.fr/	177
http://www.herodote.org/index.php	161
http://www.worldmapper.org/	191
http://www.transnationale.org/	171
http://project.oldmapsonline.org/collections	165
http://www.daftlogic.com/projects-google-maps-distance-calculator.htm	206