A search in HOMER, the USC Libraries online catalog, will be helpful in locating print documents.
Europeana (currently offline due to overwhelming response.) Plans to reinstate soon!
Research assistance is also available through Ask A Librarian.
The 27 member states of the European Union are: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, and United Kingdom.
Lexis Nexis Academic Universe -- a database of full text online news, business, financial, legal, medical, biographical, government and domestic and international newspaper resources. Updated daily.
Foreign Government Resources on the Web -- from the University of Michigan, a comprehensive and up-to-date directory of links to international government and NGO resources and information.