The NewsVault is a new Gale interface which searches a several large collections of archival newspapers shared with UMC by the University Libraries. This site searches the a very large number of newspapers and has an improved display of the results of the search which makes evaluation of the results much easier..
17th and 18th Century Burney Collection Newspapers
19th Century British Library Newspapers: Part 1
19th Century U.S. Newspapers
Economist Historical Archive
Illustrated London News Historical Archive
Times Digital Archive