CIA's World Factbook
http://www.cia.gov/cia/publications/factbook

Country, Culture, Travel Guide
http://www.globalroadwarrior.com

Country Watch--background information
http://www.countrywatch.com

Credit Insurance Considerations
http://www.AssessYourInternationalRisk.org

Culture Grams
http://www.culturegrams.com

Executive Planet
http://www.executiveplanet.com

State Department--Country "Background Notes"
http://www.state.gov/r/pa/ei/bgn/