revised : January 2015

Africa : Africa Guide, The
http://www.africaguide.com/afmap.htm

Africa : Internet Portal
http://www.africaportal.org/

America : North (Travel Guides)
http://www.world66.com/northamerica

America : Latin America
http://lanic.utexas.edu

Asia : Asiabot (Information)
http://www.asiabot.com/

Europa : Portrait der Regionen (Europäischen Union) (4 bänden)
Eurostat, EFKS-EWG-EAG, Brüssel, 1993-1996

Europa : Open Directory (Culture)
http:dmoz.org/Regional/Europe/Society_and_Culture

Europa : Tourism
http://www.eurotrip.com

Oceania : Australia (Tourism) (Deutsch)
http://www.australia.com/

Oceania : Guide to Australia
http://www.csu.edu.au/australia/

Oceania : Pure Australia
http://www.pure-australia.co.uk/

The Poles : South Pole, North Pole
http://www.thepoles.com/

World : Factbook
https://www.cia.gov/library/publications/the-world-factbook/

World : Geography
http://www.factmonster.com/ipka/A0770414.html

World : Geografia (in Italian)
http://www.globalgeografia.com

World : World Travel Guide
http://www.worldtravelguide.net/

World : Travel Guide - Wiki Guide
http://www.world66.com/