http://www.eugeo.org/	379
http://www.gatm.org.uk/	299
http://www.census.gov/	283
http://www.ined.fr/	316
http://epp.eurostat.ec.europa.eu/portal/page/portal/eurostat/home	263
http://www.un.org/en/development/desa/population	319
http://www.lib.utexas.edu/maps/index.html	323
http://www.nationalgeographic.com/	309
http://www.mondialisations.org/php/public/index.php	310
http://www.inegalites.fr/	290
http://www.herodote.org/index.php	276
http://www.worldmapper.org/	295
http://www.transnationale.org/	281
http://project.oldmapsonline.org/collections	270
http://www.daftlogic.com/projects-google-maps-distance-calculator.htm	307