- http://www.mapsofworld.com/lat_long/europe.html
- http://search.creativecommons.org/
- http://en.wikipedia.org/wiki/Europe#Demographic.
- http://www.worldatlas.com/webimage/countrys/eu.htm
- https://www.cia.gov/library/publications/the-world factbook/wfbExt/region_eur.html
- https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcT26abXAhMrhje86qTjaszS6Kf2vub6n6mNlfoXFlAYQt53NXHCHQ
- https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcT26abXAhMrhje86qTjaszS6Kf2vub6n6mNlfoXFlAYQt53NXHCHQ
- https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcSaJndpGHoJ7GR--psESDkeTVUwuwmXFUox5uq5BjH9Qsyu3L_v
- https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcRNa7HqF2woeETZD5WgxTWqYJcpYePOMJSI4C9RtQDarqOdeq5JVA
- https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcRE_Pp0CdE01k5HR-Mj9_ggwtxBoZFMNYiHdLtUd2QwTIyswqE3
- https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSlCVNfXxXq-OGho0W_dQ-9TkKCNrF06lg64qEQotUiLzGfkx4jJA
- https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcTjuVv4klc8KwD4CSwY3aSsfVoNQ5t8sFzXGoDheUxgYO2h1bdu
- https://encrypted-tbn2.gstatic.com/images?q=tbn:ANd9GcShSvG8WXeyh6KaLu7x8pFqgAnHMoUGC9pRlcALDOYEp9SHGVUZ
- https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcThI-8OkLAxXArfkaOY8AH9WedV6CiJBYqXbC8ydpznHiDAsaqn
- http://en.wikipedia.org/wiki/Alps
- http://en.wikipedia.org/wiki/Ural_River
- http://en.wikipedia.org/wiki/Great_Hungarian_Plain
- http://en.wikipedia.org/wiki/Ural_Mountains
- http://en.wikipedia.org/wiki/Baltic_Sea
- http://en.wikipedia.org/wiki/Bay_of_Biscay
- http://www.countriesquest.com/europe/italy/land_and_resources.htm
- http://en.wikipedia.org/wiki/North_European_Plain
- http://en.wikipedia.org/wiki/Black_Sea
- http://en.wikipedia.org/wiki/Norwegian_Sea
- http://en.wikipedia.org/wiki/North_Sea
- http://en.wikipedia.org/wiki/Caspian_Sea
- http://en.wikipedia.org/wiki/Religion_in_Europe
- http://www.enjoy-europe.com/hte/chap05/clothes.htm
- http://renegadehealth.com/blog/eating-habits-france
- http://landlopers.com/2012/11/12/europe-food/
- http://en.wikipedia.org/wiki/Public_holidays_in_the_United_Kingdom
- http://en.wikipedia.org/wiki/Public_holidays_in_the_European_Union
- http://en.wikipedia.org/wiki/Public_holidays_in_Spain