Useful historical online newspapers include:
• ProQuest Historical Newspapers
Full digital images of the New York Times, 1851-2014, and the Wall Street Journal, 1889-2000
• Economist Historical Archive
A complete searchable copy of every issue of The Economist from 1843 to 2003. Full-colour images, multiple search indexes, exportable financial tables and a gallery of front covers highlighting a key topic of each week - all combine to offer a primary source of research covering the 19th and 20th centuries