CIA - Chiefs of State and Cabinet Members of Foreign Governments: Luxembourg - List of government officials and their titles, updated weekly. Also includes the head of the central bank, ambassadors to the United States and Permanent Representatives to the UN, New York. - https://www.cia.gov/library/publications/world-leaders-1/world-leaders-l/luxembourg.html
Statec - The national statistical institute, with economic information including GDP and consumer prices. - http://www.statec.public.lu/en/
Wikipedia - Jean-Claude Juncker - Hyperlinked encyclopedia article about the Prime Minister and Finance Minister of Luxembourg. - http://en.wikipedia.org/wiki/Jean-Claude_Juncker
ICL - Luxembourg Index - Complete copies and links to the country's Constitution, along with related background, history and events, provided by International Constitutional Law. - http://www.oefre.unibe.ch/law/icl/lu__indx.html
US Law Library of Congress - Luxembourg - Annotated compendium of online sources providing access to primary documents, legal commentary and general government information about specific jurisdictions and topics. - http://www.loc.gov/law/guide/luxembourg.html
World Legal Information Institute - Luxembourg - Catalog and search facilities for over 500 databases from 55 countries including case-law, legislation, treaties, law reform reports, law journals, and other materials. - http://www.worldlii.org/catalog/2230.html
Ministry of Foreign Affairs - Information from the Passport Office for travellers about visas and passports. - http://www.mae.lu
Ettelbruck - The Official Homepage of the city of Ettelbruck, Luxembourg, gateway to the Ardennes; including tourism, local government and business - http://www.ettelbruck.lu