Newspapers often have useful archives which can be searched for information.

• UK Newspapers:
  • Guardian Unlimited - an excellent archive with good search results.
  • The Financial Times - good search results. Many pages then require a subscription membership.
  • The Independent - Good archive and search results.
  • The Telegraph - Good archive and quite good search results. You need to register to get access to the search results.
• USA Newspapers
  • The New York Times - Good archive but inconsistent search results.
  • The Washington Post - Inconsistent search results.