CIA - The World Factbook: Luxembourg - Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues. - https://www.cia.gov/library/publications/the-world-factbook/geos/lu.html
ABC Luxembourg - Products, services and company profiles of manufacturers, wholesalers and service providers. - http://www.abc-d.lu/
UK Foreign Office - Country Profiles: Luxembourg - Overview of country's geography, history, politics, economy, international relations, travel and current affairs. - http://www.fco.gov.uk/servlet/Front?pagename=OpenMarket/Xcelerate/ShowPage&c=Page&cid=1007029394365&a=KCountryProfile&aid=1019061812621
Wikipedia - Luxembourg - Hyperlinked encyclopedia article covers the country's history, government and politics, geography, economy, demographics, language and culture. - http://en.wikipedia.org/wiki/Luxembourg
BBC News - Country Profile: Luxembourg - Provides overview, key facts and events, timelines and leader profiles along with current news. - http://news.bbc.co.uk/1/hi/world/europe/country_profiles/1061821.stm
US Department of State - Luxembourg - Country portal offers a map and links to Background Notes, the US embassy and the current ambassador, press releases, fact sheets, annual Human Rights Reports and other major reports including Industry Market Reports. - http://www.state.gov/p/eur/ci/lu/